Optimum Nutrition's BCAA 1000 Caps deliver 1G of Branched Chain Amino Acids in a 2:1:1 ratio of Leucine to Isoleucine and Valine. Use them between meals, before training or after finishing your workout to augment your daily intake of amino acids for muscle support. Optimum Nutrition BCAA is the perfect supplement you need in your daily routine to help promote healthy muscle recovery so you can keep training and pushing yourself to the maximum potential you can reach.