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www.reference.com/article/much-caffeine-much-consume-bb8166cd75136cf7

According to Mayo Clinic, adults should try to stay under 400 milligrams of caffeine consumption per day, while adolescents should drink no more than 100 milligrams of caffeine in a day or avoid it altogether. Excessive caffeine intake can lead to digestive problems, in...

www.reference.com/article/much-caffeine-coffee-267e7969e425d7d

An 8-ounce cup of brewed coffee contains between 95 and 200 milligrams of caffeine, while an 8-ounce cup of instant coffee ranges from 27 to 173 milligrams. Single-serve varieties of brewed coffee contain 75 to 150 milligrams, while specialty drinks such as lattes conta...

www.reference.com/article/much-caffeine-chocolate-eb73f5cf87fcf9a5

One pound of milk chocolate contains approximately 145 milligrams of caffeine. This is about the same amount found in one cup of coffee. In comparison, dark chocolate contains more caffeine, as it uses a more concentrated amount of cocoa nibs, which is the substance in ...

www.reference.com/article/much-caffeine-5-hour-energy-f67d3a4bd733edfa

There are 200 milligrams of caffeine in a 2-ounce bottle of regular 5-hour Energy. The extra-strength bottle contains 230 milligrams of caffeine. A decaffeinated version of 5-hour Energy is available with only 5 milligrams of caffeine.

www.reference.com/article/much-caffeine-black-tea-6d78ebd85f8a6843

Black tea may have 14 to 70 milligrams of caffeine per 8-ounce serving. However, decaffeinated black tea has 12 milligrams of caffeine or less per 8-ounce serving. The average amount of caffeine in an 8-ounce serving of black tea is 47 milligrams, according to the U.S. ...

www.reference.com/article/much-caffeine-one-cup-coffee-d7c1b0e1b7a718d4

An average 8-ounce cup of coffee contains around 95 milligrams of caffeine, although this amount can vary depending on the type and amount of grounds used as well as the brewing process. The upper limit given for caffeine content in an 8-ounce cup of coffee is 200 milli...

www.reference.com/article/much-caffeine-hot-chocolate-e90a0b561a19ebe0

Hot chocolate can contain anywhere from 9 milligrams to 24 milligrams of caffeine. The caffeine content depends on several factors, such as the percent cacao of the product, where the cocoa beans were grown, how the beans were processed after harvest and the quantity of...