DYK Caffeine is a banned substance by the @ncaa . A urinary caffeine concentration >15 micrograms per milliliter (corresponding to ingesting about 500 mg, the equivalent 6 8 cups of brewed coffee, 2 3 Some of the articles claim that Celsius has at least four ingredients ginseng, guarana, L carnitine and taurine that the NCAA and Olympics have banned. Have the NCAA and Olympics banned NCAA Banned Substances Policy Why Celsius Energy Drinks Are Banned By The NCAA AgeX L Carnitine + L Arginine Fat Burner & Pre Workout