![]() For example, CR finds that 8 ounces of Starbucks coffee has 165 milligrams of caffeine.ĬR says safe limits of caffeine are up to 400 milligrams per day for healthy adults, 200 milligrams a day for pregnant women, and up to 45-85 milligrams per day for children, depending on weight. That 8-ounce cup of coffee has about 100 milligrams of caffeine, although coffees and teas vary widely in their caffeine content depending on how they are brewed. They have a lot more caffeine than an 8-ounce cup of coffee." "They tout that they are as safe as coffee, but maybe not. "The amount of caffeine in these products is worrisome," Williams says. ![]() That raises a red flag for Gayle Williams, CR's deputy health editor. One had about 70% less.īut all of the products had one thing in common: a lot of caffeine. Among the 16 products that did, five had more than 20% more caffeine than the label claimed. Eleven didn't list the amount of caffeine on the label. The consumer group tested 27 popular energy drinks. ![]() 25, 2012 - How much caffeine is in your energy drink?ĭon't count on finding out by reading the product label, a Consumer Reports (CR) investigation finds.
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