Xtreme is the latest generation of stimulant sports drink. It contains a HIGH LEVEL of caffeine combined with 2:1 fructose for increased energy & faster fluid delivery. Easy on the stomch, its intended to be used as a one-time caffeine hit: a mental kick before or during a hard session, to caffeine load before or during a race & as a get you home re-energizer if you bonk on the bike. Xtreme contains sodium, potassium, magnesium & calcium & it can form part of an anti-cramp strategy. Xtreme is easy on the stomach & it delivers fluids exceptionally fast, so its also great for hot conditions. To benefit from 2:1 fructose drinks & caffeine you must use our products correctly. How to use Energy Source 2:1 Xtreme & Energy Source 2:1 Plus for your body weight, sport & race distance is detailed in our Race Faster Nutrition Guides.