Coffee is a renowned drink and probably the most common source of caffeine. The caffeine content of coffee deserve to vary substantially depending on number of factors, including the type, the impending method, and also the brand.

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According to the dietary Guidelines because that Americans 2015–2020, more than 95 percent of adult in the United says consume foods and also drinks include caffeine. ~ above average, U.S. Adult consume between 110 and also 260 milligrams (mg) of caffeine every day.

The Food and also Drug management (FDA) calculation that a usual 8-ounce (oz) cup of coffee contains about 80–100 mg that caffeine.

In this article, we study the caffeine contents of part different types and brands of coffee. We likewise cover factors that affect the caffeine content of coffee, various other sources of caffeine, the recommended daily intake that caffeine, and its side effects.

Caffeine contents by coffee type

Different species of coffee save varying amounts of caffeine. We discuss the caffeine content of some of the most common varieties of coffee below:

Brewed coffee

Share ~ above PinterestCaffeine contents varies depending upon the type of coffee.
Brewed coffee, i m sorry is likewise called filter coffee, involves brewing ground coffee bean in hot water. This mixture typically sits in a paper, metal, or plastic filter that separates the grounds from the brewed coffee.

People have the right to make brewed coffee in a selection of ways, typically using a filter, a percolator, or a French press.

An 8-oz cup of brewed coffee frequently contains roughly 95 mg that caffeine.

Decaffeinated brewed

Despite that name, decaffeinated, or decaf, coffee still has some caffeine. Because that instance, an typical 8-oz cup that brewed decaf coffee contains roughly 2 mg of caffeine.

Cold brew

Cold brew coffee is different than iced coffee, which simply entails serving brewed coffee over ice. To make cold brew coffee, manufacturers steep the coffee grounds in water in ~ room temperature for anywhere between 8 and also 24 hours.

A 2017 study uncovered that a 12-oz cup that cold brew coffee deserve to contain in between 153 mg and 238 mg that caffeine.

Instant coffee

Making this form of coffee involves adding hot water to immediate coffee flour or granules.

Instant coffee usually has less caffeine 보다 freshly brewed coffee. A common 8-oz cup of continuous instant coffee contains around 62 mg that caffeine.


Espresso is a strong coffee beverage that human being make through forcing warm water or steam through very fine coffee grounds. Do espresso coffee requires the usage of a maker or stovetop moka pot.

Espresso serving sizes are normally much smaller sized than those that brewed coffee since of the high caffeine content.

A solitary 1-oz shoot of espresso contains roughly 63 mg that caffeine.

Caffeine contents of popular coffee brands

Many manufacturers and chain eateries carry out estimates of the caffeine content in their coffee products.

Dunkin’ Donuts

Dunkin’ Donuts is a well-known coffee and donut retailer that offers a wide range of caffeinated beverages.

According come Caffeine Informer, the caffeine content of a medium cup (14 oz) of several of the coffee drinks on market at Dunkin’ Donuts is together follows:

brewed coffee: 210 mgdecaf brewed coffee: 10 mgAmericano: 249 mgcold brew: 260 mglatte: 119 mg

An espresso consists of 85 mg per solitary shot.

Seattle’s Best

People can uncover Seattle’s ideal coffee products at the company’s sleeve stores and also drive-thrus and also in some fast-food restaurants, such together Subway and Burger King.

According to Caffeine Informer, a tiny cup (12 oz) of several of this that company coffee commodities contains the following amount the caffeine:

brewed coffee: 260 mglatte: 75 mg for both classic and flavored varietiesmocha: 80 mg

A Seattle’s finest espresso has 75 mg the caffeine per solitary shot.


Starbucks is one of the most famed coffee brands in the world. The company list the caffeine content of your coffee products along with other nutritional info in their digital drinks menu.

The caffeine content of a high cup (12 oz) of some of Starbucks’ beverages is together follows:

Several factors affect the caffeine contents of a cup of coffee.

One the the main determinants is the type of coffee bean. Over there are numerous different varieties of coffee plant, and also coffee bean from various plants differ in their caffeine content.

The two many popular varieties of plant for producing coffee beans are:

Coffea arabica, which people commonly describe as ArabicaCoffea canephora, i beg your pardon most human being know together Robusta

According to a 2016 study, Robusta coffee beans generally contain approximately twice as lot caffeine together Arabica beans. The researchers uncovered that Arabica beans contain 34.1–38.5 g that caffeine per kilogram (kg) of dry coffee whereas Robusta bean contain 68.6–81.6 g that caffeine every kg of dry coffee.

Other determinants that can impact the lot of caffeine in a cup of coffee include:

the form of roastthe imminent methodthe quantity of soil coffee that a human being uses during the impending processthe offer size

Although coffee is more than likely the many popular source of caffeine, numerous other foods and beverages also contain this chemical. However, the FDA do not need manufacturers to perform the quantity of caffeine on packaged foods, beverages, or dietary supplements.

We talk about some other usual sources of caffeine below:


Tea contains varying amounts of caffeine, but the quantity is commonly less 보다 that that a similar-sized cup of coffee. Because that instance, an 8-oz cup of eco-friendly tea contains approximately 28 mg of caffeine, while the same serving size of black color tea contains about 47 mg that caffeine.

Soft drinks

Soft drinks, such as sodas and fruit-flavored beverages, may sometimes additionally contain caffeine.

For example, an average 12-oz deserve to of cola contains about 33 mg that caffeine.

Energy drinks

Energy drinks often contain really high quantities of caffeine and sugar. This caffeine might be either artificial or from natural sources, such together guarana leaves.

The caffeine content of energy drinks varies significantly between brands. According to the FDA, the caffeine content of this beverages generally ranges from 40 to 250 mg every 8 oz. However, some brands of power drink deserve to contain up to 316 mg that caffeine every 8 oz.


Chocolate naturally includes caffeine, but the amount different according come the cacao content of the chocolate. Darker chocolate typically contains more caffeine than lighter or milk chocolate.

For example, the caffeine content of a 1-oz serving of coco is:


Some over-the-counter and also prescription medications contain caffeine to enhance pain relief. Because that example, menstrual Relief Maximum strength is a mix of 500 mg acetaminophen, 15 mg pyrilamine maleate, and 60 mg that caffeine.

The dietary Guidelines for Americans 2015–2020 introduce that adult consume no more than 400 mg the caffeine every day.

There are no set guidelines for children, but the American Academy of Pediatrics discourage youngsters and adolescents from consuming caffeine, according to the FDA.

The writer of a 2017 organized review indicate that teenagers aged 12–18 years have to consume much less than 100 mg the caffeine per day.

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They also warn that caffeine may have actually a stronger impact on kids under 12 years of age because they have tendency to weigh less. The authors conclude the young youngsters can tolerate an average of 2.5 mg the caffeine per 1 kg of body weight.