Barkoukis, chairwoman of the Sports, Cardiovascular, and Wellness Nutritionists group of the American Dietetic Association says, "It's athletics greens  brilliant marketing... but it doesn't have any [scientific] basis." There is no evidence to suggest that B vitamins increase energy levels via supplementation. They also do not appear …

glucose and different combinations of caffeine, guarana, taurine, B vitamins, and various herbs. Caffeine Caffeine is a stimulant  athletics greens used by people all over the world. Because of its widespread use and availability, it is easy to forget that caffeine is a drug, and should be approached as such. Some energy drinks do not …