L-Arginine and L-Ornithine, when properly absorbed and utilized, can aid in stimulation your body's healthy growth process; they are recognized as precursors to your body's growth hormone and IGF-1. In order for any formulation to be effective it must be properly absorbed by the body. Unlike other GH formulations, Advanced GH Enhancers independently tested and assayed , scientifically documented formulation provides maximum bioavailability (nutrients actually absorbed by the body) of the most effective secretagogues L-Arginine and L-Ornithine, through an advanced proprietary delivery system and is over 70% stronger than competing brands.