GHRP's -- shown clinically to cause a much greater and sustaind GH-release than GHRH in adults; overall anabolic and growth-enhancing effects are huge compared to GH and steroid anabolics; available in Europe, oral and intra-nasal prep's, receptors found in hypothalamus and pituitary; and synergistic effects with GH and GHRH -- this is one kick-ass frontier in the anabolic landscape, so to speak