Order the Optimal BCAA Gold Standard Peach & Passionfruit (266g) During the workout, the body benefits from a specially designed nutrient supply. Gold Standard BCAA Train offers a high-quality mix of amino acids that the body cannot produce itself, as well as magnesium and vitamin C. The drink replenishes the reserves used up during training and tastes pleasantly light and tasty. application For 1 serving of Gold Standard BCAA Train & Sustain stir 2 heaped serving spoons (approx.9.5g powder) in 350ml cold water or shake the ingredients together. Ideally, the drink should be consumed during exercise.