GHK-Cu stands out as my top recommendation for addressing loose skin during weight loss
Tufts CSDD's updated 2024 estimate of the direct cost of a Phase 2 or 3 clinical trial puts it at approximately $40,000 per day, with a single day of delay now worth roughly $500,000 to $800,000 in lost prescription drug or biologic sales, a dramatic increase from the outdated $4 to $5 million per-day-of-delay industry estimate that had circulated since 1993 ( [97] ) ( [98] ), which Tufts characterized as "a gross misestimation for more than 25 years." Every added day spent building a more representative recruitment pipeline therefore carries a real, quantifiable opportunity cost that sponsors must weigh against the scientific and regulatory value of representative data, a tension the still-unfinished Diversity Action Plan guidance leaves unresolved for 2026 planning purposes

Potential Cartilage Protection: Some preliminary data suggests peptides derived from growth hormone may also support cartilage health, although more research is necessary to confirm AOD-9604s specific benefits in this area
Anabolic Steroids The search for lean tissue creates a natural curiosity regarding the comparison of peptides versus anabolic steroids
People with AIDS have reduced production of glutathione in the intestine, and supplementation with glutathione could help in the ability to digest food