recommended amount of caffeine per day for athletes
Given that about 80 percent of Americans drink coffee (55 percent daily, 25 percent occasionally), and the average intake is about 200 mg caffeine/day (3 mg/kg), most athletes are familiar with caffeine's benefits of heightened alertness and performance.n research studies, the amount of caffeine that enhances performance ranges from 1.5 to 4 mg/lb body weight (3 to 9 mg/kg) taken one hour before exercise. For a 150 lb person, this comes to about 225 to 600 mg. More doesn't seem to be better.