Reflex nutrition bcaa energy is a high quality convenient source of amino acids in the form of a can perfect for taking to the gym or in the carr reflex nutrition bcaa energy contains a ratio of 211 this is an optimal amount of amino acids they contains essential amino acids called leucine isoleucine and valine they are essential due to your body needing them but not being able to create themr amino acids are very important when it comes to training they are the building blocks of prot