The short answer, counted from the atlas

Are peptides legal?

Approved peptide drugs are legal with a prescription. The popular unapproved ones mostly are not, in the U.S. or in the other countries we track.

Of the 26 peptides and related compounds Peptlas tracks, 1 can be compounded legally in the U.S. today (Sermorelin). 17 are in limbo: nominated, recommended or taken off a restricted list, but not cleared for compounding. 8 are restricted.

Outside the U.S. the answer is simpler: the UK restricts all 26, the EU all 26, Canada 25 and Australia 13. In tested sport, WADA prohibits 19 of the 26.

Counted from 26 entries · last verified Oct 15, 2026 (ET) · every status links to its primary source

Legal to do what?

“Legal” means different things depending on who is doing what. Here is the U.S. federal answer, action by action.

If you want toThe U.S. federal answerSource
Get an FDA-approved peptide drug, such as semaglutide (Wegovy) or tirzepatide (Zepbound)Legal with a prescription. FDA approval is what makes a drug legal to sell and prescribe.FDA - Drugs@FDA (approved drugs database)
Have a U.S. pharmacy compound itOnly if the ingredient is eligible: part of an FDA-approved drug, covered by a USP monograph, or on FDA’s 503A bulks list (Category 1 while that list is built). Of the 26 we track, 1 qualifies today: Sermorelin. An approved drug that is still sold is an eligible ingredient too, but a pharmacy may not routinely compound copies of it.FDA - 503A bulk drug substances: Category 1 and Category 2 eCFR - 21 CFR 216.23 (503A bulk drug substances list)
Sell it for people to use, without FDA approvalNot legal. FDA treats it as an unapproved new drug under section 505(a) of the FD&C Act, and it sends warning letters to sellers.FDA - warning letter to Royal Peptides LLC (Aug 24, 2026)
Sell it labeled “for research use only”Same answer when the product is aimed at people. In August 2026 FDA told one such seller the label did not matter: its own website showed the products were “intended to be drugs for human use”.FDA - warning letter to Royal Peptides LLC (Aug 24, 2026)
Import it for your own useIllegal in most circumstances, FDA says. Its staff can allow narrow exceptions: a serious condition with no treatment available in the U.S., no more than a three-month supply, and a U.S. doctor responsible.FDA - Personal importation
Possess itNone of the 26 is a federal controlled substance: none appears in the DEA’s schedules, so the Controlled Substances Act does not reach them. FDA enforcement in this space targets the people making, marketing and selling them.eCFR - 21 CFR part 1308 (DEA schedules of controlled substances)
Use it in tested sportProhibited for 19 of the 26 under WADA’s list.WADA - 2027 Prohibited List published (Sep 21, 2026)

Federal law, in plain words. States license pharmacies and can add rules of their own; Peptlas tracks federal and national regulators and has not verified a state rule that changes these answers. This describes how the rules are structured. It is not legal advice.

Every compound we track, by U.S. status

In limbo17 of 26

  • AOD-9604Withdrawn from Category 2 in Sep 2024; PCAC voted 0-12 against the 503A list; not compoundable
  • BPC-157PCAC recommended listing (8-6, Jul 23, 2026) - advisory only; still not on the 503A list
  • CJC-1295PCAC voted against listing (Dec 2024); off Category 2, not on the 503A list
  • DihexaRemoved from Category 2 Apr 22, 2026, not on the 503A list; PCAC review expected before end of Feb 2027
  • Emideltide (DSIP)PCAC voted against listing (6-7, Jul 24, 2026); not on the 503A list
  • EpitalonPCAC recommended listing (reported 7-4, Jul 24, 2026) - advisory only; still not on the 503A list
  • GHK-CuInjectable removed from Category 2, not on the 503A list; PCAC review expected before end of Feb 2027
  • IpamorelinPCAC voted against listing (Oct 2024); off Category 2, not on the 503A list
  • KPVPCAC recommended listing (8-6, Jul 23, 2026) - advisory only; still not on the 503A list
  • LL-37 (cathelicidin)Removed from Category 2 Apr 22, 2026, not on the 503A list; PCAC review expected before end of Feb 2027
  • Melanotan IIOff Category 2, not on the 503A list; PCAC review expected before end of Feb 2027
  • MOTS-cPCAC recommended listing (7-5, Jul 23, 2026) - advisory only; still not on the 503A list
  • NAD+Not on the finalized 503A list; no federal ban; compounded in a gray area
  • SelankRemoved from Category 2 (2024); not on the 503A list; no scheduled review
  • SemaxPCAC recommended listing (8-5, Jul 24, 2026) - advisory only; still not on the 503A list
  • TB-500 (Thymosin Beta-4)PCAC recommended listing (8-6, Jul 23, 2026) - advisory only; still not on the 503A list
  • Thymosin Alpha-1Off Category 2, never in Category 1; PCAC declined Dec 2024

Restricted8 of 26

  • CagrilintideInvestigational only - no approved form exists anywhere; cannot be compounded; the CagriSema combination is under FDA review
  • Kisspeptin-10FDA 503A Category 2 (significant safety risks) since Sep 29, 2023; advisory committee voted 0-11 against listing
  • PT-141 (bremelanotide)FDA-approved prescription drug (Vyleesi, 2019); pharmacies may not routinely compound copies of it
  • RetatrutideInvestigational only - no approved form exists anywhere; cannot be compounded; FDA warning letters target sellers
  • SemaglutideEnforcement discretion ended; routine compounding no longer permitted. 503B exclusion proposed - comments closed Jul 30, 2026, decision pending
  • SS-31 (elamipretide)FDA-approved prescription drug (Forzinity, Sep 2025); copies cannot be compounded and the acetate salt is ineligible
  • TesamorelinLicensed biologic (Egrifta SV, Egrifta WR) since Mar 23, 2020 - outside the 503A and 503B compounding exemptions
  • TirzepatideEnforcement discretion ended; broad compounding no longer permitted. 503B exclusion proposed - comments closed Jul 30, 2026, decision pending

Compounding-legal1 of 26

  • SermorelinNot on any 503A list; compounded as a component of Geref, an FDA-approved drug withdrawn in 2009 for non-safety reasons

What the labels mean: In limbo is the one headlines get wrong. Moved on paper - nominated, removed from a restricted list, or recommended by an FDA committee - but not added to the 503A list. The headline implies a change; the legal status has not moved.

Outside the U.S.

The whole grid, 26 compounds by 6 jurisdictions, is on peptide legal status by country, with the data free to reuse.

Why headlines say “legal” when the law has not changed

In July 2026 an FDA advisory committee recommended 6 of 7 peptides for the 503A list, and headlines read it as approval. The votes are advisory. As of Oct 15, 2026 (ET) the FDA has added none of the 6, so none became legal to compound. Before any could be, the FDA would have to accept the recommendation and finish notice-and-comment rulemaking. The vote-by-vote results and what an advisory vote actually changes have the detail.

Asked and answered

Are peptides legal in the U.S.?
Approved peptide drugs are, with a prescription. Of the 26 peptides and related compounds Peptlas tracks, 1 can be compounded legally today (Sermorelin); 17 are in limbo and 8 are restricted. Selling any of them for human use without FDA approval is not legal.
Did the FDA legalize peptides in 2026?
No. In July 2026 an FDA advisory committee recommended 6 of 7 peptides for the 503A list. The votes are advisory, and as of Oct 15, 2026 (ET) the FDA has added none of them, so none became legal to compound.
Is it illegal to buy peptides?
Selling unapproved peptides for human use is illegal, and FDA says importing drugs for personal use is illegal in most circumstances. None of the 26 compounds Peptlas tracks is a federal controlled substance, and enforcement targets sellers. That describes how the rules work; it is not legal advice.
Are research peptides legal?
A “research use only” label does not make a peptide legal to sell for human use. In August 2026 the FDA told sellers using that label that their products were unapproved new drugs.
Are peptides legal in the UK, the EU, Canada and Australia?
Mostly not. Of the 26 compounds Peptlas tracks, the UK restricts all 26, the EU all 26, Canada 25 and Australia 13.
Are peptides banned in sport?
WADA prohibits 19 of the 26 compounds Peptlas tracks. Check the compound’s own entry for the class it falls under.

Sources

Each compound’s own entry carries its full source list, dated.

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