BCAA ratio optimised for muscle intense, multi disciplinary cross-trainingMytochondrial activators for Strength, Power and Endurance Cross training depletes the muscles of their energy source (glycogen) and contractile proteins (branched chain amino acids BCAA). Taking the correct ratio of BCAA, protein and carbohydrate is absolutely critical. High Caffeine content. Not recommended to children or breast- feeding women. Contains 160mg of caffeine per 100ml.