Regulation
Who may make a peptide, and who may not
The federal and state rules on prescribing and compounding peptides, and the anti-doping rules for athletes. Every explainer links to the records it is based on.

Can a pharmacy make it?
13 of the 26 peptides on this site may be made by a compounding pharmacy today. Each square below is one peptide; select it to open that peptide's page.
Allowed 6
Bremelanotide (PT-141), Liraglutide, Oxytocin, Semaglutide, Sermorelin, Tirzepatide
Allowed for now 7
BPC-157, Epitalon, GHK-Cu, KPV, MOTS-c, Semax, TB-500 and Thymosin Beta-4
Flagged for safety 2
Not allowed 11
AOD-9604, Cagrilintide, CJC-1295, GHRP-2 and GHRP-6, Ipamorelin, LL-37, Melanotan II, Retatrutide, Selank, Tesamorelin, Thymosin Alpha-1
Status as of Oct 28, 2026. The Status Tracker explains each group and has the FDA, WADA and DEA records for every peptide.
Explainers
Compounded vs FDA-approved drugs
What FDA checks before it approves a drug, how compounding differs, and the risks FDA has listed for compounded drugs.
503A vs 503B pharmacies: who can compound what
A 503A pharmacy compounds for a named patient with a prescription. A 503B outsourcing facility can make batches without one, under factory rules (CGMP).
Category 1 vs Category 2 bulk substances explained
How FDA sorts nominated compounding ingredients into Categories 1, 2 and 3, and which peptides are in each.
Research use only peptides: why they are not for human use
What the "research use only" label means under federal law, and what FDA warning letters have said about peptides sold with it.
Peptide rules by state: how pharmacy boards differ
How state pharmacy boards differ on licenses, sterile compounding, office-use compounding and telehealth prescribing.
Peptides in sport: the WADA list and testing
Which peptides are on the WADA Prohibited List, what the 2027 List changes, and how athletes are tested.
