Promotes muscle function during exercise.The branched chain amino acids (BCAAs) are leucine, isoleucine, and valine. These essential amino acids provide nutritional support for athletes and individuals seeking optimal lean muscle mass. Branched chain amino acids are unique in that they are not metabolized by the liver.BCAAs promotes healthy muscle mass. BCAAs may play a role in athletic support by promoting muscle nitrogen, enhancing alanine and glutamine production, decreasing lactate production and boosting energy while attenuating protein breakdown These actions help to sustain muscle work capacity and recovery.Isoleucine and valine are produced from corn dextrose fermentation. Leucine is originally extracted from protein and is extensively processed and purified.SUGGESTED USAGEPure Encapsulations recommends 1200-3000 mg per day, in divided doses, between meals.INGREDIENTSEach vegetable capsule contains:branched chain amino acids 600 mg. (free- form)providing:l- leucine 300 mg.l- isoleucine 150 mg.l- valine 150 mg.WARNINGSIf pregnant or lactating, consult your physician before taking this product.Until more research is conducted, individuals with ALS, a history of depression, or kidney or liver disease should consult a doctor before supplementing with BCAAs.