XENDURANCE PROTEIN is a proprietary protein sports blend of 18 amino acids containing Whey Protein Isolate, Whey Protein Hydrolysate, Micellar Casein and Calcium Caseinate. This protein blend has been produced with cold process filtration that allows it to be in its most bio-available and digestible form. Maximizing absorption rate and utilization of protein is key to muscle recovery, which puts XENDURANCE PROTEIN in a league of its own. XENDURANCE PROTEIN also contains 1500 mg of lactate, the body’s preferred and most efficient fuel source over glycogen. This key muscle fuel helps you lower exercise induced body acid, allowing your body to recover faster. In addition, XENDURANCE PROTEIN contains the US Recommended Daily Value of vitamins B6, B12, D, along with 4255mg of BCAAs and essential electrolytes.