BCAA (Branch Chain Amino Acid) stands for three amino acids with a similar structure: L-Leucine, L-Valine and L-Isoleucine. Their combination supports muscle recovery, muscle growth and ultimately strength and endurance. Therefore, it can be found in many sports nutrition products for pre- as well as post- workout. You may want to consider the following aspects for your formulation.The reason BCAA supplements are important is because they are the only amino acids which are not metabolized by the liver, making them directly available to muscle tissues, where they act in a number of positive ways.