The amino acids arginine, lysine, and ornithine synergistically support the body's production of growth hormone, especially in younger individuals if taken in the evening, and may offer lean tissue building benefits. Research has found that these amino acids, in conjunction with a high intensity strength training program, increase total strength and lean body mass and also aid in recovery from chronic stress.* *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.