Peptides went from niche bodybuilding compounds to mainstream wellness culture in under five years. The appeal makes sense on the surface, naturally occurring, targeted mechanisms, marketed as smarter than traditional pharmaceuticals. What Public advisory Think twice before injecting peptides bought online: unauthorized products can seriously harm you Safety and Efficacy of Approved and Unapproved Peptide Therapies for Musculoskeletal Injuries and Athletic Performance[v3] Preprints.org FDA Moves on Peptides: What Compounding Pharmacies Need to Know