Ph D Fitness Overview Ph D BCAAs are a fantastic supplement which use an blend of leucine, iso-leucine & valine. These are the three branched chain amino acids which combine to enable your body to produce 8 essential amino acids! It is these 8 essential amino acids together with the 12 non-essential amino acids which allow the body to repair damaged muscle tissue as well as develop new muscle tissue! Product Highlights- Premium BCAAs to assist with muscle repair- 2:1 Leucine/ Valine/ Iso-leucine ratio- Pre, during or post workout BCAAs are Branched Chain Amino Acids consisting of 3 essential amino acids leucine, iso-leucine, & valine. They are considered essential amino acids because human beings cannot survive unless these amino acids are present in the diet. Together they comprise Approx. 1/3 of human muscle tissue. Studies have shown that BCAA\ s help to stimulate protein synthesis & inhibit its breakdown, so BCAA\ s have powerful anabolic & anti-catabolic effects on the body.