How Much Caffeine Per Cup Of Coffee? (Solution found)

Contents

How Much Caffeine Is in a Cup of Coffee?

  • Coffee’s caffeine content is highly variable, ranging from 50 to over 400 mg per cup. A small home-brewed cup of coffee could provide 50 mg, while a 16-ounce (475-ml) Starbucks grande packs over 300 mg. As a general rule, you can assume that an average 8-ounce (240-ml) cup of coffee offers around 100 mg of caffeine. ).

Is 200 mg of caffeine a lot?

A healthy adult can consume around 400 milligrams of caffeine daily, which means you can safely have about four cups of coffee in a day unless otherwise advised by your doctor. Consumption of 200 milligrams of caffeine doesn’t cause any significant harmful effects in healthy people.

How much caffeine is in a good cup of coffee?

A typical 8-oz cup of coffee provides around 80–100 mg of caffeine, but some coffee drinks can contain significantly more. Other sources of caffeine include energy drinks, soft drinks, chocolate, and some pain relieving medications.

How much caffeine is in a 12 oz cup of black coffee?

12oz (340ml) is the usual “M” size of drinks. Most 12-ounce cups of coffee contain 90 to 120 mg of caffeine, but Starbucks, for example, can go up to 255 mg of caffeine per cup – for Iced Blonde Caffè Americano.

Is 2 cups of coffee a day too much caffeine?

Up to 400 milligrams (mg) of caffeine a day appears to be safe for most healthy adults. That’s roughly the amount of caffeine in four cups of brewed coffee, 10 cans of cola or two “energy shot” drinks.

Is 120mg of caffeine a day too much?

The amount of caffeine the healthy adult should consume a day is up to 400mg and the normal amount in 12-ounce coffee cups contains 90 to 120mg.

Is 75mg of caffeine a lot?

Studies show that 100 to 200 mg of caffeine (about 1 to 2 cups of regular coffee) are enough to achieve these results. When caffeine consumption climbs to 250 to 700 mg per day, people may experience nausea, headaches, sleep difficulties or increased anxiety. People may have heart palpitations with more than 1,000 mg.

Is 500mg of caffeine to much?

High daily consumption of caffeine, especially more than 500 mg. per day, is considered a significant health risk. Even above 400 mg. a day, caffeine can begin to cause insomnia, breathing problems, diarrhea, dizziness, fever, and increased thirst and urination.

What coffee has the highest caffeine content?

Devil Mountain: Black Label is an extremely strong coffee and tops the list of high caffeine coffees in the world. What you should know is that Black Label has a 1,555 milligrams dose of caffeine per serving (i.e., 12-ounce cup) making it the most caffeinated & strongest coffee in the world.

Does weak coffee have less caffeine?

But does weak coffee really contain less caffeine? If you consider that the strength of the coffee is determined by its coffee-to-water ratio, then, yes, weak coffee does contain less caffeine. When coffee is brewed with a lower coffee-to-water ratio, less caffeine will be present in each cup.

Does coffee make you poop?

Coffee makes you poop during the day because it affects your digestive system so quickly. When you drink a cup of coffee, it stimulates your body to release the hormones gastrin and cholecystokinin. Both gastrin and cholecystokinin trigger the gastrocolic reflex, which stimulates your body to make a bowel movement.

How much caffeine is in a 5 hour energy?

The highest amount per serving was 242 milligrams of caffeine in 5-Hour Energy Extra Strength. The lowest was in 5-Hour Energy Decaf, which despite the name carries 6 milligrams of caffeine per serving. Caffeine can result in restlessness, nervousness, insomnia, and tremors.

Is tea better than coffee?

Cimperman said drinking tea has been linked to lower risks of cancer and heart disease, improved weight loss, and a stronger immune system. Meanwhile, studies point to coffee as a potential way to head off not just Parkinson’s but type 2 diabetes, liver disease, and heart problems, Cimperman says.

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How Much Caffeine in a Cup of Coffee? A Detailed Guide

In terms of caffeine intake, coffee is the most common food source. An average cup of coffee will provide you with around 95 mg of caffeine on average. However, the quantity of caffeine in different coffee drinks varies, and can vary anywhere from practically nothing to more than 500 mg per cup. This is a comprehensive guide on the caffeine level of various types and brands of coffee, including espresso.

What Factors Affect Caffeine Content?

The caffeine concentration in coffee is determined by a variety of factors, including:

  • Coffee bean types: There are many distinct varieties of coffee beans available, each of which may naturally have a varying quantity of caffeine. Roasting: Lighter roasts contain more caffeine than darker roasts, despite the fact that darker roasts offer a more complex flavor. Type of coffee: The caffeine level of various types of coffee, including conventional brewed coffee, espresso, instant coffee, and decaf coffee, can differ greatly. Serving size: The volume of “one cup of coffee” can range from 30–700 mL (1–24 oz), which has a significant impact on the overall caffeine level.

Bottom Line: The amount of caffeine in a cup of coffee is determined by the type of coffee bean used, the roast style used, how the coffee is made, and the serving size.

How Much Caffeine Is in a Cup of Coffee?

The sort of coffee you consume is the most important factor in determining its caffeine concentration.

Brewed Coffee

In the United States and Europe, brewing is the most frequent method of preparing coffee. The process of brewing coffee, sometimes referred to as ordinary coffee, involves pouring hot or boiling water over ground coffee beans, which are typically enclosed in a filter. One cup of freshly brewed coffee (8 oz) has around 70–140 mg of caffeine, or an average of 95 mg per cup ( 1 ,2).

Espresso

Using a modest amount of hot water or steam, espresso is created by pressing the beans through a finely ground coffee grinder. Despite the fact that espresso has more caffeine per volume than normal coffee, it often contains less caffeine per serving due to the fact that espresso portions are typically tiny.

A single shot of espresso is typically 30–50 mL (1–1.75 oz) in volume and contains around 63 mg of caffeine ( 3 ). As a result, a double shot of espresso contains around 125 milligrams of caffeine.

Espresso-Based Drinks

Many popular coffee beverages are produced by combining espresso shots with a variety of milk kinds and quantities in various proportions. Lattes, cappuccinos, macchiatos, and Americanos are examples of such beverages. Because the milk does not include any extra caffeine, the caffeine content of these beverages is the same as that of a cup of plain espresso. A single (small) cup of coffee has around 63 mg of caffeine on average, whereas a double (large) cup contains approximately 125 mg.

Instant Coffee

Instant coffee is created from brewed coffee that has been freeze-dried or spray-dried, and it is available in many flavors. It is often found in huge, dry chunks that disintegrate when exposed to water. The simplest way to make instant coffee is to combine one or two tablespoons of ground coffee with hot water. There is no need to prepare any beverages. Caffeine content in instant coffee is often lower than that of normal coffee, with one cup containing around 30–90 mg of caffeine ( 4 ).

Decaf Coffee

However, despite the fact that the name implies otherwise, decaf coffee does not contain zero caffeine. This beverage can include variable quantities of caffeine, with the average cup holding 3 mg. The caffeine content can range from 0–7 mg per cup, with the lowest cup containing 0 mg ( 5 , 6 , 7 ). However, depending on the kind of coffee, the technique of decaffeination used, and the size of the cup, some variations may have even greater levels of caffeine than others. The bottom line is this: The typical caffeine level of an 8-ounce cup of freshly brewed coffee is 95 milligrams (mg).

Are Commercial Brands More Caffeinated?

The caffeine content of some commercial coffee brands may be higher than that of conventional, home-brewed coffee. Coffee shops are especially well-known for serving huge cups of coffee, which may be as much as 700 mL in size (24 oz). The amount of coffee included in such cups is approximately the same as 3–5 regular-sized cups of espresso.

Starbucks

Starbucks is, without a doubt, the most well-known coffee establishment in the entire globe. It also serves some of the most highly caffeinated coffee available on the market. The caffeine concentration of brewed coffee at Starbucks is as follows (8,9): caffeine content:

  • 180 mg for a short (8 oz)
  • 260 mg for a tall (12 oz)
  • 315 mg for a grande (16 oz)
  • 415 mg for a venti (20 oz).

In addition, one shot of espresso at Starbucks has 75 milligrams of caffeine, which is considered moderate. As a result, all small espresso-based beverages include 75 milligrams of caffeine per serving. This comprises beverages such as lattes, cappuccinos, macchiatos, and Americanos, among other things (10). Larger versions (16 oz), which are created with two or three espresso shots (16 oz), also include 150 or 225 mg of caffeine, depending on the size. Starbucks decaf coffee has 15–30 mg of caffeine per cup, depending on the size of the cup.

The bottom line is that an 8-ounce cup of Starbucks brewed coffee has 180 milligrams of caffeine. The caffeine content of a single espresso and espresso-based beverages is 75 mg, but an 8-ounce cup of decaf coffee contains around 15 mg of caffeine.

McDonald’s

Almost everywhere in the globe, McDonald’s offers coffee under the McCafe brand; the company also sells tea. Even though they are a major fast food corporation that sells coffee, they do not standardize or quantify the amount of caffeine in their beverages. According to our calculations, the caffeine concentration of their brewed coffee is around (11):

  • A small (12 oz) serving has 109 mg of sodium
  • A medium (16 oz) serving has 145 mg of sodium
  • A large (21–24 oz) serving has 180 mg of sodium.

Its espresso includes 71 mg of caffeine per serving, while its decaf contains 8–14 mg, depending on how big a cup you have. The bottom line is that McDonald’s does not standardize the quantity of caffeine contained in its coffee beverages. According to our calculations, a small cup of freshly brewed coffee has 109 mg of caffeine. Espresso has around 71 mg of caffeine, whereas decaf includes approximately 8 mg.

Dunkin Donuts

Dunkin Donuts is another another coffee and doughnut store business that is extremely popular all over the world. It has the following amount of caffeine (12) in their freshly brewed coffee:

  • 215 mg for small (10 oz)
  • 302 mg for medium (16 oz)
  • 431 mg for large (20 oz)
  • And 517 mg for extra large (24 oz).
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One of their espresso shots has 75 mg of caffeine, which is also the amount of caffeine you can anticipate to get from one of their espresso-based beverages. The decaf coffee served at Dunkin Donuts may also contain a significant amount of caffeine. According to one source, a small cup (10 oz) of coffee has 53 mg of caffeine, while a large cup (24 oz) contains 128 mg of caffeine (13). That’s nearly as much caffeine as you’ll get in most other types of normal coffee, if not more. A small cup of Dunkin Donuts coffee has 215 mg of caffeine, whereas a single espresso contains 75 mg.

Is Caffeine Something to Worry About?

Coffee is abundant in antioxidants, and several studies have shown that coffee is beneficial to one’s health. Getting too much coffee, on the other hand, has been related to negative side effects such as anxiety, sleep interruptions, heart palpitations, and restlessness ( 14 , 15 ). Caffeine consumption of 400–600 mg/day is typically not related with any negative effects in the majority of persons. This equates to around 6 mg per kilogram (3 mg per pound) of body weight, or 4–6 typical cups of coffee per day ( 16 ).

Some people are extremely sensitive to it, while others are completely unaffected by enormous doses of it.

It’s simply a matter of trial and error to determine the appropriate amount.

How much caffeine is in your cup?

Discover how much of this stimulant is present in various beverages such as coffee, tea, soda, and energy drinks. Staff at the Mayo Clinic When it comes to grownups, caffeine is likely to be a part of their daily routine. Do you, on the other hand, know how much caffeine is in your favorite beverages? The use of up to 400 mg of caffeine per day is deemed harmless for the majority of individuals. Caffeine sensitivity, on the other hand, differs from person to person. Consider cutting back on your caffeine use if you’re experiencing symptoms such as headaches, insomnia, or anxiety.

Check out the charts below to get an idea of how much caffeine is in some popular beverages.

The amount of caffeine is shown in milligrams (mg).

Always keep in mind that the actual caffeine level of a cup of coffee or a cup of tea might vary significantly depending on the brand. The amount of caffeine in a beverage is affected by factors such as processing and brewing time. As a result, consider these statistics as a guideline.

Coffee drinks Size inoz.(mL) Caffeine (mg)
Brewed 8 (237) 96
Brewed, decaf 8 (237) 2
Espresso 1 (30) 64
Espresso, decaf 1 (30)
Instant 8 (237) 62
Instant, decaf 8 (237) 2
Teas Size inoz.(mL) Caffeine (mg)
Brewed black 8 (237) 47
Brewed black, decaf 8 (237) 2
Brewed green 8 (237) 28
Ready-to-drink, bottled 8 (237) 19
Sodas Size inoz.(mL) Caffeine (mg)
Citrus (most brands) 8 (237)
Cola 8 (237) 22
Root beer (most brands) 8 (237)
Energy drinks Size inoz.(mL) Caffeine (mg)
Energy drink 8 (237) 29
Energy shot 1 (30) 215

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  1. A study based on the National Health and Nutrition Examination Surveys (NHANES) from 2007 to 2012 found that daily patterns of caffeine intake, as well as the connection of intake with different sociodemographic and lifestyle characteristics, were found in adults in the United States. In: Journal of the American Academy of Nutrition and Dietetics, 2019, doi:10.1016/j.jand.2018.08.152
  2. Grosso G, et al. in: Journal of the American Academy of Nutrition and Dietetics, 2019. An overview of the relationship between coffee, caffeine, and health effects. Annual Review of Nutrition, 2019
  3. Doi:10.1146/annurev-nutr-071816-064941
  4. Annual Review of Nutrition, 2019. Is your child over caffeinated? The Academy of Nutrition and Dietetics (Academy of Nutrition and Dietetics). On the 1st of February, 2020, accessed I’ll spill the beans on how much caffeine is too much: how much is too much? FDA stands for the Food and Drug Administration. Dietary Guidelines for Americans, 2015-2020, accessed on September 20, 2019. Departments of Health and Human Services and the Department of Agriculture of the United States Duyff RL (accessed February 1, 2020). Consider the drinks you’re about to consume. In the Journal of the Academy of Nutrition and Dietetics 5th edition of the Complete Food and Nutrition Guide Houghton Cengage Learning
  5. 2017
  6. Branum AM et al. Trends in caffeine use among US children and adolescents (Mifflin Harcourt, 2017). 2014
  7. Doi:10.1542/peds.2013-2877
  8. USDA Food Data Central Agricultural Research Service of the United States Department of Agriculture. Bordeaux B. The benefits and hazards of caffeine and caffeinated drinks. Accessed on February 1, 2020
  9. Bordeaux B. On the 20th of September, 2019, Zeratsky KA was accessed (expert opinion). Wikoff D, et al., Mayo Clinic, February 5, 2020
  10. Mayo Clinic. A systematic evaluation of the possible negative consequences of caffeine use in healthy adults, pregnant women, adolescents, and children was carried out by the researchers. Food and Chemical Toxicology, 2017, doi: 10.1016/j.fct.2017.04.002
  11. Food and Chemical Toxicology, 2017, doi: 10.1016/j.fct.2017.04.002
  12. Caffeine and caffeinated drinks have both advantages and disadvantages, according to Bordeaux B. On the 18th of February, 2020

See additional in-depth information

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Spilling the Beans: How Much Caffeine is Too Much?

According to specialists at the Food and Drug Administration, caffeine may be a beneficial component of a balanced diet for the majority of individuals, but too much caffeine can be harmful to your health. Español Does your first cup of coffee or tea of the day include only a small amount of caffeine in the hopes that it would help you get through the rest of the day more quickly? Do you follow it up with a caffeinated beverage or two, and then go on to consume many more cups of coffee throughout the course of the day?

According to specialists at the Food and Drug Administration, caffeine may be a beneficial component of a balanced diet for the majority of individuals, but too much caffeine can be harmful to your health.

Learn more about caffeine by reading the questions and answers that follow.

1. Which kinds of foods and beverages contain caffeine?

In the plants that we use to create coffee, tea, and chocolate, caffeine may be found in their natural form. Additionally, it may be present in some plants that are used as flavorings, such as guarana, as well as in alternative South American teas, such as yerba mate (Ilex paraguariensis) andIlex guayusa (Ilex guayusa). Caffeine may also be used as an ingredient in a variety of food and beverage products.

2. How do you know how much caffeine a food or beverage contains?

Many packaged items, including beverages and nutritional supplements that contain caffeine, voluntarily disclose the amount of caffeine they contain on the label. This is done to protect consumers’ health. When consuming for the first time a new packaged product that has added caffeine, consumers should exercise caution, especially if the amount of caffeine in the meal is not specified on the packaging. Some foods and beverages, such as coffee and tea, contain high levels of caffeine, and there are various online databases that offer estimations of this content.

A 12 ounce can of caffeinated soft drink normally has 30 to 40 milligrams of caffeine, whereas an 8-ounce cup of green or black tea typically provides 30-50 mg, and an 8-ounce cup of coffee often includes 80 to 100 milligrams of caffeine.

Caffeine content in energy drinks can range from 40 to 250 milligrams per eight fluid ounces of beverage.

3. If a coffee or tea says “decaffeinated,” does that mean it contains no caffeine?

No. Decaf coffees and teas have less caffeine than their normal equivalents, but they still include a small amount of the stimulant. For example, an 8-ounce cup of decaf coffee generally contains 2-15 mg of caffeine. In the event that you have a serious negative reaction to caffeine, you may wish to avoid drinking these beverages completely.

4. How much caffeine is too much?

The Food and Drug Administration (FDA) has determined that 400 mg of caffeine per day (equivalent to four or five cups of coffee) is a quantity that is not commonly linked with harmful or negative effects in healthy persons. There is, however, a great deal of diversity in how sensitive people are to the effects of caffeine, as well as in how quickly they metabolize it (break it down). Certain medical disorders, as well as certain drugs, might make people more sensitive to the effects of caffeine.

Although the Food and Drug Administration has not established a limit for children, the American Academy of Pediatrics recommends that children and adolescents avoid coffee and other stimulants.

5. How do you know if you’ve consumed more caffeine than you can tolerate?

Caffeine overconsumption can result in the following side effects:

  • Insomnia, restlessness, anxiety, rapid heart rate, upset stomach, nausea, headache, and a general sensation of discontent (dysphoria) are all possible symptoms.

6. Does caffeine pose a danger to your health?

According to the FDA, hazardous consequences such as seizures can be detected after consuming around 1,200 milligrams of caffeine, or 0.15 teaspoons of pure caffeine, in a short period of time. Pure and highly concentrated caffeine products pose a substantial concern to public health and have been linked to at least two deaths in the United States in recent years. (In April, the Food and Drug Administration (FDA) took measures to safeguard consumers from these items. Often marketed as dietary supplements, these products are made up of pure or highly concentrated caffeine in powder or liquid form.

The risk of caffeine overdose grows as the concentration of caffeine in the product increases, which means that even tiny doses of a highly concentrated product might result in hazardous side effects if taken in excess.

These are hazardous concentrations that can have major health repercussions, including death, if consumed in large quantities.

7. Is it okay for kids to consume caffeine?

We urge that you get guidance from your child’s health care practitioner regarding his or her caffeine usage.

8. Is drinking a lot of caffeine a substitute for sleep?

No.

In addition to making you more aware and awake, caffeine is a stimulant that should not be used in place of sleep. Typically, it takes 4 to 6 hours for your body to digest half of the food you eat in a single sitting. As a result, a cup of coffee before supper may keep you awake at night.

9. How can I cut back on caffeine without causing unpleasant side effects?

You should reduce your caffeine intake gradually if you are used to drinking caffeinated beverages on a daily basis and wish to reduce your intake. The rapid cessation of a drug might result in withdrawal symptoms such as headaches, anxiety, and anxiousness. Caffeine withdrawal, in contrast to opioid or alcohol withdrawal, is not thought to be harmful, although it can be uncomfortable. You may wish to consult with your health-care practitioner about ways to reduce your consumption.

How much caffeine in a cup of coffee: Types, brands, and other sources

Coffee is a popular beverage that contains caffeine, and it is arguably the most prevalent source of caffeine. The amount of caffeine in a cup of coffee can vary significantly based on a number of factors, including the kind of coffee, the brewing technique, and the manufacturer. Caffeine-containing foods and beverages are consumed by more than 95 percent of individuals in the United States, according to the Dietary Guidelines for Americans 2015–2020. Adults in the United States consume between 110 and 260 milligrams (mg) of caffeine on a daily basis on average.

In this post, we’ll look at the caffeine concentration of a variety of different coffee kinds and brands to see how they compare.

There are many different sorts of coffee, each with its own quantity of caffeine.

Brewed coffee

Brew coffee, also known as filter coffee, is made by steeping ground coffee beans in hot water for an extended period of time. A paper, metal, or plastic filter is used to separate the grounds from the brewed coffee, and this combination is often used for this purpose. A multitude of methods exist for brewing coffee, the most common of which are the use of filters, percolators, and French presses. A average 8-ounce cup of freshly brewed coffee has around 95 milligrams of caffeine.

Decaffeinated brewed

Despite its decaffeinated or decaf designation, coffee still contains a small amount of caffeine. For example, an 8-ounce cup of freshly brewed decaf coffee has around 2 mg of caffeine on average.

Cold brew

Cold brew coffee is distinct from iced coffee, which is merely the process of pouring brewed coffee over crushed ice. The coffee grounds are steeped in water at room temperature for anywhere between 8 and 24 hours in order to prepare cold brew coffee, according to the maker. According to a research conducted in 2017, a 12-ounce cup of cold brew coffee might contain anywhere between 153 mg and 238 mg of caffeine.

Instant coffee

Making this sort of coffee includes combining hot water with instant coffee powder or granules and brewing the mixture.

Generally speaking, instant coffee has less caffeine than freshly brewed coffee. Approximately 62 mg of caffeine is contained in a normal 8-ounce cup of standard instant coffee.

Espresso

A powerful coffee beverage made by pushing hot water or steam through very fine coffee grinds, espresso is a popular choice among coffee enthusiasts. If you want to make espresso coffee at home, you may use a machine or a stovetop moka pot. Because of the strong caffeine concentration of espresso, serving portions are typically substantially less than those of brewed coffee. Approximately 63 milligrams of caffeine are included in a single 1-ounce shot of espresso. Many coffee producers and chain restaurants publish estimates of the amount of caffeine contained in their coffee products on their websites.

Dunkin’ Donuts

Dukkin’ Donuts is a well-known coffee and doughnut business that offers a broad variety of caffeinated drinks to its customers. In accordance with the website Caffeine Informer, one medium cup (14 oz) of several of the coffee beverages available at Dunkin’ Donuts contains the following amount of caffeine:

  • Brewed coffee has 210 mg of caffeine
  • Decaf brewed coffee contains 10 mg of caffeine
  • An Americano contains 249 mg of caffeine
  • A cold brew contains 260 mg of caffeine
  • And a latte contains 119 mg of caffeine.

A single shot of espresso has 85 mg of caffeine.

Seattle’s Best

Retail storefronts and drive-thrus operated by Seattle’s Best Coffee, as well as several fast-food restaurants including Subway and Burger King, carry the company’s coffee goods. A small cup (12 oz) of several of this company’s coffee products provides the following amount of caffeine, according to Caffeine Informer:

  • Brew coffee has 260 mg of caffeine
  • Latte contains 75 mg of caffeine for both traditional and flavored variations
  • Mocha contains 80 mg of caffeine.

The caffeine content of a single shot of Seattle’s Best espresso is 75 milligrams.

Starbucks

Starbucks is one of the most well-known coffee brands in the world. Starbucks is headquartered in Seattle, Washington. The caffeine level of the company’s coffee products, as well as other nutritional information, may be found in their online beverages menu. For example, certain Starbucks beverages have as much caffeine as the following in an 8-ounce tall cup (12-ounce serving):

  • Pike Place roast: 235 mg
  • Decaf Pike Place roast: 20 mg
  • Cold brew with cold foam: 155 mg
  • Caramel macchiato: 75 mg
  • Cappuccino: 75 mg
  • Pike Place roast: 235 mg
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A number of factors influence the amount of caffeine present in a cup of coffee. The kind of coffee bean is one of the most important considerations. There are many distinct kinds of coffee plant, and the caffeine level of coffee beans derived from different plants varies as a result. The following are the two most common species of plant used in the production of coffee beans:

  • Coffea arabica, sometimes known as Arabica, is a kind of coffee grown in Africa. Coffea canephora, also known as Robusta coffee, is a variety of the coffee plant.

According to a research conducted in 2016, Robusta coffee beans generally have around double the amount of caffeine found in Arabica coffee beans. The researchers discovered that Arabica beans have 34.1–38.5 g of caffeine per kilogram (kg) of dry coffee, but Robusta beans contain 68.6–81.6 g of caffeine per kilogram (kg) of dry coffee, according to their findings. A number of other factors can influence the quantity of caffeine in a cup of coffee, including but not limited to:

  • The kind of roast, the brewing technique, the amount of ground coffee that a person uses throughout the brewing process, and the serving size are all important considerations when making coffee.

Despite the fact that coffee is arguably the most well-known source of caffeine, this chemical may be found in a variety of different foods and drinks. The FDA, on the other hand, does not compel manufacturers to indicate the amount of caffeine included in packaged foods, drinks, or dietary supplements on their products. Below, we’ll go through some of the other popular sources of caffeine:

Tea

Various types of tea contain various amounts of caffeine, although the quantity in a cup of tea is normally less than in a cup of coffee of equal size.

For example, an 8-oz cup of green tea has around 28 mg of caffeine, but the same serving size of black tea contains approximately 47 mg of caffeine (see chart).

Soft drinks

Soft drinks, such as sodas and fruit-flavored beverages, may contain small amounts of caffeine from time to time. For example, a 12-ounce can of Coca-Cola has around 33 mg of caffeine on average.

Energy drinks

Energy drinks can include extremely high concentrations of caffeine and sugar. Caffeine can come from a variety of sources, including synthetic and natural ones such as guarana leaves. It is important to note that the caffeine level of energy drinks varies greatly between brands. According to the Food and Drug Administration, the caffeine level of these beverages normally varies between 40 and 250 mg per 8 oz serving. Some energy drinks, on the other hand, can contain as much as 316 mg of caffeine per 8 oz serving.

Chocolate

Caffeine is naturally found in chocolate, however the quantity varies depending on the amount of cacao in the chocolate. Caffeine content in darker chocolate is often higher than that of lighter or milk chocolate. To give you an example, the caffeine content of a 1-ounce portion of chocolate is as follows:

  • 45–59 percent cacao solids: 12 mg
  • 60–69 percent cacao solids: 24 mg
  • 70–85 percent cacao solids: 23 mg
  • 90–100 percent cacao solids: 24 mg

Medications

Several over-the-counter and prescription drugs include caffeine, which can help to alleviate pain more effectively. Examples include Menstrual Relief Maximum Strength, which contains 500 mg acetaminophen, 15 mg pyrilamine maleate, and 60 mg of caffeine in a single capsule. Adults should drink no more than 400 mg of caffeine per day, according to the Dietary Guidelines for Americans 2015–2020 dietary guidelines. According to the Food and Drug Administration, there are no specific recommendations for children, however the American Academy of Pediatrics discourages children and adolescents from using caffeine.

They also caution that caffeine may have a greater effect on youngsters under the age of 12 because they tend to weigh less than their older counterparts.

Caffeine is usually considered to be harmless for the majority of individuals when consumed in moderation.

The following are examples of adverse effects:

  • Headaches, feeling restless or jittery, nervousness, anxiety, irritability, tremors, fast heartbeat, problems sleeping or sleeplessness, upset stomach, nausea, diarrhea, and frequent urination are all possible symptoms.

The amount of caffeine contained in a cup of coffee can vary significantly. The brewing process, the kind of bean, and the quantity of coffee grounds that a person uses are all factors that influence the caffeine level of a cup of coffee. A standard 8-oz cup of coffee has around 80–100 mg of caffeine, although other coffee beverages can have substantially more caffeine than this. Besides coffee, energy drinks, soft drinks, chocolate, and various pain relievers are all high in caffeine as well.

How Much Caffeine Is In a Cup of Coffee? – Era of We Coffee Forum

While many coffee aficionados like the flavor of their favorite beverage, the majority of individuals consume their daily cup of joe for the caffeine it provides to help them wake up and get motivated in the morning. Caffeine is used by more than 95 percent of individuals in the United States, according to the Dietary Guidelines for Americans 2015–2020. However, you may be wondering how much caffeine is contained in your daily cup of joe habit. The caffeine content of an ordinary cup of coffee is around 95mg, but the narrative does not end there.

According to the brewing technique, roast, and coffee type used, this page will describe how much caffeine is in one cup of coffee, define how many milligrams of caffeine are in the most popular coffees, and explain the recommended serving size per day for healthy individuals.

What Influences Caffeine Content?

Caffeine is the most extensively ingested psychoactive substance on the planet. There is a natural presence of this chemical in coffee, which may be found in foods and beverages. It begins to operate immediately after consumption since it is swiftly digested and absorbed into the bloodstream, and it does so by activating the brain and central nervous system. Caffeine may be found in a variety of beverages, including coffee, black and green tea, chocolate, as well as various soft drinks and energy drinks.

Listed here is how the brewing technique, serving size, roast, grind size, and coffee bean type may all have an impact on the quantity of caffeine in a cup of coffee.

The Brewing Method

Coffee grinds remain in touch with water for varied durations of time with different brewing methods, which enables for different levels of caffeine to be extracted into your cup depending on the technique used. The quantity of caffeine in a double espresso shot will be different than the amount of caffeine found in a cup of pour over coffee or cold brew, for example, because of this.

Serving Size

A cup of coffee is a broad word that may imply many different things to various individuals, depending on their perspective. The caffeine content of a small 6-ounce drip coffee will differ from the caffeine content of an extra-large latte, which can include up to four shots of espresso.

Roast

Not only does the roasting process have an effect on the flavor of your coffee, but it also has an effect on the amount of caffeine in your cup of joe. In the course of being roasted, coffee beans lose moisture and grow in size, and the longer they are roasted, the more caffeine is lost, at least when measuring coffee in scoops of ground. Although dark-roasted coffee beans have a bitter taste and are thus perceived as having a “stronger” flavor, the contrary is true: they contain less caffeine than lighter-roasted coffee beans.

Grind Size

In a similar way to how the brewing process influences the caffeine concentration in coffee, the grind size controls how much caffeine is removed from the coffee and poured into your cup. The reason behind this is that a double espresso, which is made with finely ground coffee beans and steeped in 30 seconds, will typically have more caffeine than a French press made with a coarse grind and brewed for 5 minutes will hold.

Type of Coffee Beans

There is a relationship between the kind of coffee plant and the quantity of caffeine in a cup of coffee. Robusta beans often have around double the amount of caffeine found in Arabica beans. Despite the fact that Arabica beans account for 70% of all coffee produced worldwide, certain manufacturers prefer Robusta beans because of their greater caffeine level in particular circumstances.

A number of specialty coffees, such as Death Wish Coffee and Biohazard Coffee, have been deliberately made with Robusta beans to have extremely high levels of caffeine, with some claiming to contain more than 700mg of caffeine in a single cup.

How Much Caffeine In a Cup of Coffee?

Now that we’ve learned how different elements impact the quantity of caffeine in your cup, let’s have a look at how many milligrams of caffeine you can anticipate from the most common forms of coffee available today.

Brewed Coffee

A cup of freshly brewed coffee has between 70 and 140 milligrams of caffeine, with an average 8oz cup containing 96 milligrams. This is a significant range, which may be linked to the precise brewing technique you choose for producing your drink throughout the preparation process. Depending on the brewing technique used, a varied grind and steeping time are required, which affects the caffeine level. How many mg of caffeine are included in a single cup of espresso?

  • On average, a drip machine produces 80mg of caffeine
  • Manual filter coffee (including V60, Chemex, and Kalita) produces 145mg of caffeine
  • A French Press or plunger produces 107mg of caffeine
  • And a French press or plunger produces 107mg of caffeine. Percolated coffee has around 200mg of caffeine on average. Turkish or Greek coffee has an average caffeine content of 200mg
  • AeroPress coffee has an average caffeine content of 120mg.

Espresso

Espresso coffee is created by passing tiny quantities of hot water through finely ground coffee while applying high pressure to the mixture. The brewing procedure takes only around 30 seconds and results in a modest 30ml concentrated coffee beverage after completion. A typical single espresso will provide you with a 63mg caffeine boost, while a double espresso will provide you with an average of 120mg caffeine.

Espresso-based Milky Coffee

Lattes, cappuccinos, and flat whites are all produced by combining a typical double shot of coffee with varying amounts of steamed milk to create a variety of flavors. However, while the milk helps to reduce the harshness of coffee and makes it taste softer, it has no effect on the amount of caffeine contained in the beverage. Despite the fact that a normal cappuccino can have a stronger flavor than a latte of the same size, if they both utilize a double shot of espresso, they will both have around 120mg of caffeine per cup.

Furthermore, despite the fact that the coffee is light in flavor, you are ingesting considerable amounts of caffeine, which may stack up over the course of the day.

Instant Coffee

Brewable coffee that has been freeze-dried is what instant coffee is all about. It has a milder flavor and contains less caffeine than ordinary coffee, with between 20 to 90 milligrams per cup.

Cold Brew

Is it possible that when you drink a cup of cold brew coffee, you will get a stronger caffeine rush than usual? This is due to the fact that a cup of cold brew contains between 150-230mg of caffeine, which is more than double the amount of caffeine found in a conventional brewed coffee. The method through which this coffee is produced accounts for the greater caffeine level. Because cold water is used instead of hot water, the coffee must be in touch with the water for up to 24 hours in order to produce a delicious cold brew.

Does Decaf Coffee Contain No Caffeine?

A cup of decaf is a smart choice if you want to cut back on your daily caffeine intake, but it is not fully caffeine-free on its own. A cup of coffee that has been branded as “decaf” has how many milligrams of caffeine?

A cup of decaffeinated coffee contains between 1 and 7 milligrams of caffeine, with an average of 3 milligrams, depending on the method of decaffeination used. While this is not zero, it is far lower than the cost of a normal cup of coffee.

How Much Caffeine Is Too Much?

In addition to boosting metabolism and improving cognitive function, caffeine can also help you perform better in physical competitions. However, if you eat too much caffeine, you may begin to experience some of its bad effects, such as anxiety, heart palpitations, restlessness, and sleep disturbances, among other things. So, how much caffeine is too much for one person? According to the Food and Drug Administration, the recommended daily caffeine intake for a healthy adult is 400mg of caffeine per day, which equates to around 4 to 5 cups of coffee, depending on the kind of beverage consumed.

The sensitivity of each individual’s body to caffeine varies, and it is possible to develop some caffeine tolerance over time.

When tracking your daily caffeine intake, don’t forget to take into consideration any other sources of caffeine in your diet that aren’t related to caffeine in coffee.

The Bottom Line: Caffeine In Coffee

In addition to boosting metabolism and improving cognitive function, caffeine can also help you perform better in sports competition. Take too much coffee, on the other hand, and you may begin to feel anxious, have palpitations or feel restless or have sleep disturbances as a result of its harmful effects. The question then becomes how much caffeine is excessive. According to the FDA, the recommended daily caffeine intake for a healthy adult is 400mg of caffeine per day, which equates to around 4 to 5 cups of coffee, depending on the type of coffee consumed.

The sensitivity of each individual’s body to caffeine varies, and it is possible to develop some caffeine tolerance over time.

It’s important to remember that there are other sources of caffeine in your diet besides coffee when you’re keeping track of your caffeinated intake.

How Much Caffeine Is in a Cup of Coffee?

We are all aware that caffeine is present in all coffee. But how much caffeine is in a typical cup of normal coffee, and which coffees have the most caffeine, is a mystery to me. The answer isn’t as simple as it appears, since there are a variety of factors that influence the amount of caffeine contained in a single cup of coffee. We’ve compiled a comprehensive list of all of your queries concerning caffeine in coffee.

Which Coffee Has the Most Caffeine?

Yes, the type of roast you use can have an influence on the amount of caffeine you take in a day.

A few factors, however, influence which variety of coffee has the greatest amount of caffeination.

Caffeine in Coffee: 4 Contributing Factors

Arabica, which is the standard species of coffee plant and is significantly more highly appreciated as a source of high-quality coffee, has a caffeine concentration of around 5 percent on average. There are, nevertheless, small differences amongst arabica varietals that are depending on their geographical origin. Robusta beans, on the other hand, often contain 2.4 percent caffeine. Having said that, robusta beans are often regarded as having a tar-like flavor, which explains its widespread use in low-quality, low-cost supermarket coffees.

2. Roasting Differences Help a Bit

There are two reasons why lighter roasted coffees have somewhat more caffeine. First and foremost, less roasting has the effect of keeping the compound intact. The longer the roasting time, the greater the amount of chemical alteration that occurs in the beans, including the loss of caffeine. Second, and this is an odd point to make because most of us measure our coffee by volume rather than weight when brewing, lighter roasted beans are denser and therefore pack more bean per unit volume than darker roasts, which are far less dense.

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3. The Brewing is All

If you don’t care for the flavor of super-lightly roasted robusta beans, the most effective strategy to increase your caffeine intake is to think about how you make your coffee (and how much you drink, of course). While espresso beverages contain more caffeine per fluid ounce (80 mg in a 2-ounce serving), drip coffee has a conventional unit of consumption (the “cup” as opposed to the “shot”) that is significantly more than that of espresso drinks (for example, a standard 12 ounce cup). In other words, even if there is less caffeine in each ounce of brewed coffee, we tend to consume more of it.

4. Your Body Has Final Say

Because everyone has a unique metabolism, the physiological effects of caffeine vary depending on the individual, as well as their present caffeine habits and tolerance. Some folks are able to get out of bed and drink a cup of coffee without having to get out of bed. Coffee absorption is also influenced by the contents of your stomach; particularly, lipids like those found in milk, which you may choose to include in your coffee, have been shown to reduce caffeine absorption. If you just want to increase your caffeine intake and avoid the more complicated issues, we recommend simply drinking more coffee (by volumeandvariety).

Caffeine in Coffee: Numbers by Coffee Type

Having said that, here are some general estimations (in the majority of situations, per 8-ounce cup of coffee) to consider:

Drip Coffee

It contains around 95 mg of caffeine per 8-ounce cup of coffee brewed using an automatic drip coffee machine.

Instant Coffee

In an 8-ounce cup of instant coffee, there are around 62 mg of caffeine.

French Press

A cup of coffee made using a French press will contain between 80 and 100 mg of caffeine.

AeroPress

AnAeroPresswill provide you with anything from 50 to 70 mg of caffeine each cup, depending on the brand.

Cold Brew

The caffeine content of a 12-ounce cup of cold brew ranges between 153 and 238 mg per serving.

Espresso

When it comes to caffeine content, espresso isn’t quite as potent as coffee. One shot of espresso has around 80 milligrams.

Decaf Coffee

Yes, even decaffeinated coffee contains a little amount of caffeine (up to 7 milligrams).

Caffeine in Coffee vs. Tea

Coffee carries a higher concentration of caffeine than tea. Tea leaves, on the other hand, contain more caffeine than coffee beans; the brewing process, on the other hand, does not extract as much caffeine from tea leaves as it does from coffee beans. In her book The Candida Diet, Lisa Richards, a nutritionist and author, states that “the difference in the quantity of caffeine contained in tea vs that found in coffee fluctuates significantly from minor to large.” “A standard 8-ounce cup of coffee has roughly 95 milligrams of caffeine, whereas teas can have anywhere from 20 to 85 milligrams of caffeine, depending on the variety.”

Caffeine in Tea: Which Tea Has the Most Caffeine?

Caffeine is found in the highest concentrations in black tea and matcha. Traditional tea made from black tea leaves contains the greatest concentration of caffeine of any type of tea. When it comes to non-traditional tea forms, matcha, a powder created from green tea leaves, has the greatest concentration of antioxidants. The caffeine found in tea, particularly green tea and matcha, is thought to be more long-lasting than that found in coffee. We aim to make it easier for you to create great coffee at home.

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Exactly How Much Caffeine Is in Your Cup of Coffee?

The stimulant caffeine, which causes the body to release adrenaline, is responsible for the energy boost we receive from coffee. It is a bitter-tasting, adrenaline-stimulating chemical that may be found in naturally occurring forms in a wide range of plants, including coffee. Many people drink caffeinated beverages particularly for the adrenaline rush they get from them. But how much caffeine is in each cup of coffee, and how much of it is safe to ingest on a daily basis, remains a mystery.

Overview

Calculating the amount of caffeine present in your coffee is not as simple as it may appear at first glance. Consider a multitude of elements, including the type of coffee bean used, how it was brewed, and the size of your cup before making your decision. A cup of freshly brewed caffeinated coffee can contain anywhere from 65 milligrams (mg) to 175 milligrams (mg) of caffeine, or even as much as 450 milligrams (mg) of caffeine in bigger portions. Even while espresso has around double the amount of caffeine found in brewed coffee, it is often eaten in lesser quantities.

Caffeine Tolerance

When drinking one little, weak cup of coffee, some people get a substantial lift; others require considerably more to have any increase in alertness. Furthermore, caffeine has negative side effects, and the dose that gently wakes one person up in the morning may be far too high for another, causing anxiety and jitters. Not only does the amount of caffeine in a cup of coffee vary from cup to cup, but each person has a different caffeine tolerance level, which increases as the amount of coffee consumed increases over time, according to the manufacturer.

Because of intrinsic variances in coffee beans themselves, as well as changes in how those beans were roasted, ground, and prepared for brewing, there are variations in the flavor of coffee.

Continue reading for more information on the estimated amount of caffeine contained in a cup of coffee. In addition, we discuss the potential side effects of caffeine. Verywell (Emily Roberts) is a song written by Emily Roberts.

Amount of Caffeine in Coffee

Caffeine content varies significantly across brands, kinds of coffee beans, and brewing procedures, which is why we may make “weak coffee” or “strong coffee” depending on the quantity of caffeine present in the beverage. In general, you may expect a small cup of decaf coffee to contain the least amount of caffeine, and an extra-large cup of brewed coffee (particularly a light roast) to contain the most amount of caffeine. Unless otherwise stated, the caffeine information supplied by the USDA represents an average or minimum quantity of caffeine that may be expected to be found in each size and variety of coffee.

Caffeine in Coffee (and Other Beverages) by Type and Cup Size
1 oz. 8 oz. 12 oz. 16 oz. 20 oz.
Decaf coffee, instant 2.4mg 3.6mg 4.8mg 6mg
Decaf coffee, brewed 2.4mg 3.6mg 4mg 6mg
Decaf espresso 0.3mg
Instant coffee 62mg 94mg 124mg 156mg
Brewed coffee 96mg or more 144mg or more 192mg or more 240mg or more
Espresso 64mg
Black tea 48mg 72mg 96mg 120mg
Green tea 30mg 43mg 58mg 72mg
Soda 34mg 47mg 56mg

Some fundamental concepts that can influence your coffee selections, whether you’re aiming to restrict your caffeine intake or consume more of it, are outlined in the following section.

Decaffeinated Coffee

Decaffeinated coffee, as compared to other coffee products, often includes the least amount of caffeine per cup. However, it is not usually totally devoid of caffeinated beverages. In tests, instant decaf brands such as Folgers and Nescafe were shown to have between 0mg and 3mg of caffeine per 8-ounce cup, depending on the brand. As a result, if you’re wanting to drastically reduce your caffeine intake, those are both viable solutions. Brewed decaf coffee normally includes between 4mg and 7mg of caffeine per 8-ounce cup, whereas brewed espresso can have up to 16mg of caffeine every 1-ounce shot (depending on the brand).

Chemists from the University of Florida analyzed Starbucks decaf and discovered that it had far less caffeine than the business claimed (around 6mg to 6.7mg in an 8-ounce serving).

Instant Coffee

Instant coffee, following decaffeinated coffee, contains the least quantity of caffeine in comparison to ordinary coffee. An 8-ounce cup of coffee has roughly 62 milligrams of caffeine.

Brewed Coffee

When freshly brewed, the caffeine concentration of an 8-ounce cup of coffee begins at roughly 95mg and increases from there. To many people’s surprise, lighter roast coffee contains a small higher concentration of caffeine than darker roast coffee. Beans that have been roasted for a longer period of time at higher temperatures are slightly denser than beans that have been roasted for a shorter period of time at lower temperatures. A rule of thumb is that the more time (and heat) spent roasting coffee beans, the more caffeine is removed from the final product.

Espresso

Espresso is measured differently than ordinary coffee; it is measured in 1-ounce shots rather than in cups of coffee like regular coffee. Caffeine content in a shot of espresso can range from 63mg to more than 100mg depending on the type of coffee used and how it is made.

As a result, an espresso-based beverage containing two shots of espresso (for example, a normal medium-sized latte or cappuccino) will contain at least 125mg of caffeine (added milk andsugarare caffeine-free, although they will addcaloriesto your coffee).

Iced Coffee

Iced coffee beverages will have the same amount of caffeine as the hot form of the coffee that was used to produce them, if any. However, because it’s served over ice, which takes up space and melts into the drink, you’ll end up with a somewhat less caffeinated beverage overall when compared to a similar-sized cup of hot coffee served without any additional ingredients.

Serving Size

When evaluating the caffeine level of a beverage, it’s vital to remember that many coffee shops, including Starbucks, serve coffee beverages in a variety of portion sizes, the majority of which are far bigger than the standard 8-ounce serving. As a result, your one “cup” of coffee may actually be worth two or more cups in terms of caffeine in some cases (andcalories).

Bean Strength

Remember that many coffee shops, including Starbucks, serve coffee beverages in a variety of portion sizes, the majority of which are far bigger than the conventional 8-ounce serving size when evaluating the caffeine level of a beverage. Consequently, your one “cup” of coffee may actually be worth two or more cups in terms of caffeine depending on the circumstances (andcalories).

Coffee vs. Tea and Soda

Caffeine is not exclusively found in coffee; many varieties of tea and soda also contain the chemical, but at concentrations that are slightly lower than those seen in freshly brewed coffee. According to the USDA, a cup of black tea has 48 milligrams of caffeine, and a 12-ounce can of soda contains between 34 milligrams and 55 milligrams of caffeine, depending on the brand.

Effects of Caffeine

A moderate psychoactive chemical, caffeine occurs naturally in coffee, tea, and cacao plants. It is also added to many other goods, such as sodas and energy drinks, to make them more appealing to consumers. It works by stimulating the central nervous system, which results in an increase in alertness and energy as a result of the release of adrenaline into the bloodstream. Caffeine molecules also have the additional effect of reducing drowsiness by attaching to adenosine receptors in the brain, which are responsible for the sensation of exhaustion.

The full effect of the drink will be felt around one hour after taking your first taste of the beverage.

In terms of coffee, this equates to a maximum of around four 8-ounce cups of brewed coffee, or three lattes with two shots of espresso each, as an example.

  • Dehydration (caffeine has diuretic properties)
  • Symptoms include headaches and dizziness. Feelings of jitteriness and anxiety
  • Nausea
  • Heart rate that is really fast
  • Shakiness
  • Inability to sleep (particularly if you eat coffee late in the day)
  • Headaches Vomiting

Why People Drink It

A large number of people use coffee in order to increase their alertness and performance. Although caffeinated coffee can help you wake up and perform better, the biggest difficulty with taking it to do so is that you develop a tolerance to it over time, which means you have to drink more and more to have the same results. This may or may not be a positive thing in every situation. As a matter of fact, one study found that caffeine consumption resulted in “quicker but not smarter” results on mental performance tests, and that those who drank large amounts of caffeine on a regular basis experienced a “increase in anxiety/jitteriness that outweighed the benefit of decreased sleepiness.” Most people, on the other hand, have a daily routine of drinking coffee and swear by its capacity to help them get up and stay motivated throughout the day.

Health Benefits

Numerous studies have demonstrated that coffee has beneficial health effects. Older coffee users were found to have a 10 percent to 15 percent lower death rate than those who did not consume the beverage, according to a massive food and health research that followed more than 400,000 people over a ten-year period. Researchers discovered that drinking two or more cups of coffee per day was associated with longer life expectancy after excluding persons with cancer, heart disease, and stroke from the study.

Despite this, the study was unable to identify a cause and effect relationship for the decreased risk of mortality, and it did not take into account whether they drank normal or decaf coffee.

Furthermore, despite the fact that caffeine might produce a brief jump in your blood pressure, studies have shown that caffeine does not promote high blood pressure in healthy people.

Health Risks

Despite the fact that caffeine in coffee is generally considered safe in moderate levels, there are certain persons who may benefit from restricting or eliminating their caffeine intake due to specific health issues. These are some of the health conditions:

  • During pregnancy, the American College of Obstetricians and Gynecologists (ACOG) recommends that caffeine intake be limited to fewer than 200mg per day. Disorders of sleep: Caffeine has been shown to impair sleep, and it is usually suggested that persons who have difficulty sleeping limit or eliminate caffeine use—though ingestion early in the day may be OK for some. In certain studies, caffeine has been shown to induce or aggravate migraines
  • However, the evidence is mixed. Angry sentiments can be exacerbated by caffeine use. In people who suffer from gastroesophageal reflux disease (GERD), caffeine has been shown to aggravate the symptoms of the condition
  • Increased eye pressure is associated with glaucoma, and drinking beverages containing caffeine may aggravate the condition.

It is recommended that if you have any of these problems, you see your doctor about whether or not you should consume caffeinated coffee or other caffeinated beverages. Several prescription medications interact poorly with caffeine, and you may need to avoid caffeinated coffee (and other caffeinated beverages) if you’re on one of these medications, which include the following:

  • Certain anti-seizure meds
  • Certain asthma treatments
  • Certain antibiotics
  • And others. A number of antidepressants and other medications prescribed for the treatment of mental health issues
  • Medications for the thyroid

If you’ve been prescribed a medication that you believe may fall into one of these categories and you have questions about your caffeine intake, talk to your pharmacist or physician about it.

A Word From Verywell

According to one survey, the great majority of Americans—approximately 85 percent of all American adults—consume at least one caffeinated beverage every day, with coffee being the beverage of choice for the majority of people. In reality, the average daily caffeine intake throughout the whole population of the United States was 165mg, which is roughly the equal of two small cups of brewed coffee. There is strong medical evidence that a moderate intake of caffeinated coffee is safe for the majority of healthy adults—and that it will provide a speedy boost when you need it.

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