Optimum Nutrition Gold Standard BCAA 266g. MUSCLE SUPPORT AND FATIGUE REDUCTION DURING TRAINING. During training, GOLD STANDARD BCAA can help you keep going whilst supporting your immune system and reducing tiredness, so you can get the most out of your exercise and be ready to go again.. 5 g BCAAs in 2:1:1 ratio Vitamin C and zinc support immunity. Magnesium for muscle support. Magnesium and vitamin C to reduce tiredness and fatigue. Unique formula that contains Rhodiola rosea and zinc. Light, refreshing and easily drinkable. Informed-Choice Certified Product
