Dietary Supplement. Active Repair. Patented formula. Support muscle recovery. The branched chain amino acid (BCAA) metabolite B-Hydroxy B-Methylbutyrate Monohydrate (HMB) has been shown to support the body's ability to minimize protein (i.e., muscle) breakdown and damage to muscle cells, which can occur after intense resistance exercise. Patented and university tested. (This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)