Applied Nutrition. Yamamoto Nutrition. EVLution Nutrition. Olimp Nutrition. BCAA Powder. Bcaa POWDER contains NO sweeteners. Bcaa POWDER contains a 2:1:1 ratio of Leucine, Isoleucine and Valine. Branched-chain amino acids (BCAA) are an important group of essential amino acids consisting of Leucine, Isoleucine and Valine.