Search results
Results from the WOW.Com Content Network
One tablespoonful (5 grams) of dry unsweetened cocoa powder has 12.1 mg of caffeine [97] and a 25-g single serving of dark chocolate has 22.4 mg of caffeine. [98] Although a single 7 oz. (200 ml) serving of coffee may contain 80–175 mg, [ 99 ] studies have shown psychoactive effects in caffeine doses as low as 9 mg, and a dose as low as 12.5 ...