Reflex Nutrition BCAA Intra Fusion is an intra-workout product. It is an instant mixing sports supplement containing Branched Chain Amino Acids, L-Glutamine, Electrolytes and Vitamin B6.BCAAs play a role in protein synthesis while Electrolytes ensure that you remain hydrated during your exercise. Vitamin B6 plays a role in a variety of biological functions. These include reducing tiredness and fatigue, normal protein and glycogen metabolism and normal energy-yielding metabolism.Reflex Nutrition have ensured that only the best ingredients go into BCAA Intra Fusion. All Reflex products have a science based transparent formulation so that you can have complete faith in the quality of their supplements.