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How much caffeine in coffee: it's content in different teas.

What is Caffeine?

Caffeine is a chemical naturally found in several plant foods and drinks. Synthetic supplemental forms of caffeine are also produced and added to foods. Due to caffeine's stimulating and addictive qualities, it is finding its way into more and more unhealthy foods including sodas, candies, and energy drinks.
How much caffeine in coffee
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The health benefits and costs of caffeine are controversial with numerous studies to document both benefits and health problems due to caffeine. The upper intake limit (%UL) of caffeine intake is 400mg for adults, and less than 85mg for kids.

High caffeine foods and drinks include chocolate covered coffee beans, coffee, energy drinks, espresso, sodas, green tea, black tea, dark chocolate, coffee liqueur, and baked goods containing chocolate


caffeine content, too much coffee can cause high blood pressure, a precursor to heart disease, and can cause side effects like dizziness, shakiness, headache, or abnormal heartbeat.

How much caffeine body can handle

The amount of caffeine your body can handle per day can vary based on a number of different factors, including whether you have a pre-existing sensitivity to caffeine, are pregnant, or have ongoing insomnia or anxiety, among other health conditions, says Niket Sonpal, M.D., a New York-based internist, gastroenterologist, and adjunct professor at Touro College. Other details such as age, weight, overall health, and genetics can also play a role, adds Dr. Glatter.

That said, on average, a healthy adult can consume 400 milligrams of caffeine per day (about four or five cups of coffee, roughly three to five energy drinks, or about 11 caffeinated soft drinks) without "dangerous, negative effects," according to the Food and Drug Administration (FDA).

Amount of caffeine in different teas

Different types of tea vary from high levels of caffeine to none at all (herbal teas). Plain tea, usually an Orange Pekoe or black tea blend, contains about the same amount of caffeine as instant coffee—50mg per 8-ounce cup. But if you steep your tea for longer, you get a stronger beverage. So the amount of caffeine in an 8-ounce cup of tea varies from 20mg to 80 mg.

Per 8-ounce cup:

✓Chai: 60mg to 120mg of caffeine
✓Assam black tea: About 80mg
✓Earl Grey: About 50 mg
✓Darjeeling tea: About 50mg
✓Oolong: 40mg
✓Green tea: 25mg
✓White tea: 15mg


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