What people use peptides for
Pick a goal to see which peptides people use for it, ranked by how much real evidence is behind each one.
Injury recovery BPC-157 · TB-500 · GHK-Cu · KPV Best evidence: animal studies 
Weight loss Tirzepatide · Semaglutide · Liraglutide · Retatrutide · Tesamorelin · AOD-9604 · MOTS-c Approved options exist 
Muscle & growth hormone Tesamorelin · Sermorelin · CJC-1295 · Ipamorelin · GHRP-6 Approved options exist 
Skin & hair GHK-Cu · Melanotan II Best evidence: human trials 
Brain & focus Semax · Selank Best evidence: human trials 
Longevity Epitalon · MOTS-c Best evidence: animal studies Gut health BPC-157 · KPV Best evidence: animal studies 
Immune support Thymosin alpha-1 · KPV Best evidence: human trials 
Libido PT-141 · Melanotan II Approved options exist Educational only, not medical advice. "Approved options exist" means at least one peptide for that goal is an approved medicine for some use.