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Daily Caffeine Consumption for Most Adults For most adults, the FDA has cited 400 milligrams* a day — that's about two to three 12-fluid-ounce cups of coffee — as an amount not...
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. Keep in mind that the actual caffeine content in beverages varies widely, especially among energy drinks.
Caffeine safe limits for adults, children, and those with medical conditions. Includes a safe dose calculator and guidelines for consuming caffeine safely.
In the U.S., adults consume an average of 135 mg of caffeine daily, or the amount in 1.5 cups of coffee (1 cup = 8 ounces). [5] The U.S. Food and Drug Administration considers 400 milligrams (about 4 cups brewed coffee) a safe amount of caffeine for healthy adults to consume daily.
Healthy adults shouldn’t consume more than 400 milligrams (mg) of caffeine per day. That’s equal to about four 8-ounce cups of brewed coffee or 10 cans of cola. Teens should limit their caffeine intake to less than 100 mg per day (one 8-ounce cup of coffee or about two cans of cola). Of course, caffeine isn’t all terrible.
Up to 400 milligrams of caffeine a day is considered safe for most adults. However, people's sensitivity to caffeine varies. If you're bothered by headaches, restlessness or anxiety, you may want to reevaluate your caffeine intake.
While there is often concern about the links between caffeine and heart health, a moderate amount of tea or coffee (four or five cups a day) should be fine for most people. Research shows that this level of caffeine intake shouldn’t be detrimental to your heart health, affect your cholesterol levels or heart rhythm .
According to the U.S. Food and Drug Administration, adults should not consume more than 400 milligrams (mg) of caffeine a day. This comes out to about four or five cups of coffee. The FDA doesn't have official guidelines for caffeine intake in children and adolescents.
Several sources suggest that 400 mg of caffeine per day — the equivalent of 4 cups (945 ml) of coffee — is safe for most healthy adults (3, 5). However, many people drink much more than...
Meyer notes that moderate caffeine consumption in the range of 300 to 400 milligrams per day (mg/day) comes out to three cups of coffee, 5 ounces of espresso, seven cups of black tea, or 11 cups of green tea. Here's how much caffeine is in a few of your favorite beverages: What Health Benefits Does Caffeine Offer?