Just because a claim gets repeated across large accounts doesn't mean that it is true. It is simply not true that we do not have any human studies on peptides. Not including Most peptides sold for "longevity" have zero human clinical trials. Your favorite biohacker probably didn't mention that. As a longevity physician, I prescribe peptides in my practice. But I'm selective, and you Emerging Anabolic and Regenerative Peptides in Athletic Body Re composition and Bodybuilding: Mechanisms of Action, Dosing Strategies, and Evidence Review Ipamorelin Dosage Guide: Optimal Protocols for Recovery and Muscle Growth