Metabolic Nutrition® Tri-Pep is one of the first designer "peptide-bonded" pharmecutical-grade BCAA supplements on the market. Elevate the glycogen level in your muscles and inhibit lactic acid buildup, preventing soreness, with this great-tasting BCAA supplement. Tri-Pep also supports improved protein synthesis, nitric oxide production, growth hormone levels and IGF-1 release…to preserve and enhance lean muscle.