Regulation · European Union

Are peptides legal in the EU?

Short answerSemaglutide, tirzepatide and liraglutide are authorised, prescription-only medicines across the EU. Almost every other peptide discussed online has no marketing authorisation, so supplying it for human use is an offence under the medicines laws of every member state. "Research use only" labels do not change that when the product is presented for people to inject. Rules on importing for personal use differ by country — Sweden, for example, bans postal imports from outside the EEA outright.

Regulator: European Medicines Agency (EMA) and national agencies · Checked 2 September 2026

How the rules work

EU medicines law starts from a definition, not a list. Directive 2001/83/EC treats as a medicinal product anything presented as treating or preventing disease, or that is administered to restore, correct or modify physiological functions. A peptide sold with claims about healing, fat loss or growth hormone meets the definition by presentation, whatever the label says about research. Article 6 then requires a marketing authorisation before any such product is placed on the market.

Authorisations for the peptides on LYO come through the EMA's centralised procedure: Ozempic (2018) and Wegovy (2022) for semaglutide, Mounjaro (2022) for tirzepatide, Victoza and Saxenda for liraglutide. Tesamorelin's EU application was withdrawn in June 2012 after the CHMP could not conclude a positive benefit–risk balance, and bremelanotide has never been filed. Retatrutide and cagrilintide are investigational and cannot be supplied outside clinical trials.

Enforcement is national. Each member state's medicines agency and customs service applies the directive through domestic law — Läkemedelsverket in Sweden, BfArM in Germany, ANSM in France — and coordinates through Europol. Operation SHIELD VI (April–November 2025, 30 countries) ended with 3,354 people prosecuted and €33 million of illicit medicines and doping substances seized.

Buying and importing for personal use

There is no EU-wide personal-import allowance; each country sets its own. Sweden is strict and typical of the north: a private person may receive medicines by post from another EEA country only for personal use, up to a year's supply, bought from a pharmacy, with a prescription where one is required, and only if the medicine is authorised both in Sweden and in the sending country. Receiving medicines by post from outside the EEA is not allowed at all, and Läkemedelsverket says it cannot grant exceptions. Since research peptides are authorised nowhere, none of them clears those conditions.

Other member states are looser in practice — customs in the Netherlands, Italy and Spain intercept less — but the legal position is the same everywhere: the seller commits an offence by supplying an unauthorised medicine, and the buyer has no consumer protection and no way to know what is in the vial.

Compound by compound

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that.

Approved, prescription-only

Ozempic (2018) and Wegovy (2022) authorised via the EMA. Grey-market vials and pens are unlicensed medicines.

Investigational; not authorised

No marketing authorisation anywhere; supply outside clinical trials is unlawful. Unlicensed pens were among the seizures in Europol's 2025 operation.

Approved, prescription-only

Mounjaro authorised via the EMA (2022; weight management added 2023). Grey-market versions are unlicensed medicines.

Not authorised

The Egrifta marketing authorisation application was withdrawn on 26 June 2012 after the CHMP could not conclude a positive benefit–risk balance.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that.

Cosmetic ingredient; no medicinal authorisation

Permitted in cosmetics. Injectable products presented for human use are unauthorised medicinal products.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that. Epithalamin products are authorised in Russia only.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that.

Investigational; not authorised

In phase 3 (with semaglutide as CagriSema). No authorisation; supply outside trials is unlawful.

Unauthorised in the EU

Authorised in Russia only. Supplying it for human use in the EU is an offence under national medicines law.

Unauthorised in the EU

Authorised in Russia only. Supplying it for human use in the EU is an offence under national medicines law.

Not authorised

Vyleesi has no EU marketing authorisation. Vials sold online are unauthorised medicinal products.

No current authorisation

Historic Geref authorisations have lapsed; no product is authorised today. Supply for human use is an offence.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; 'research use only' labels do not change that.

Approved, prescription-only

Victoza (2009) and Saxenda (2015) authorised via the EMA; generics authorised from 2024.

Investigational; not authorised

Phase 3; no marketing authorisation. Supply outside trials is unlawful.

Not authorised

No EMA application. Products sold online as mazdutide are unauthorised medicines.

Unauthorised medicinal product

No marketing authorisation. Supplying it for human use is an offence under national medicines law.

Authorised in Italy only

Zadaxin is nationally authorised in Italy; no EU-wide marketing authorisation. Elsewhere in the EU it is an unauthorised medicine.

Unauthorised medicinal product

No marketing authorisation. Supplying it for human use is an offence under national medicines law.

Not authorised

No EMA marketing authorisation. Supplying it for human use is an offence under national medicines law.

Approved as injection; nasal use unlicensed

Oxytocin injection is authorised across the EU for obstetric use. A nasal spray (Syntocinon) was historically used for breastfeeding; general 'bonding' or weight use is off-label or unlicensed.

Unauthorised medicinal product

No marketing authorisation. National regulators (including in the UK and Nordic countries) have repeatedly warned against injectable melanotan sold online.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; a 'research use only' label does not change that.

Not authorised

No EMA authorisation. Supplying it for human use is an offence under national medicines law.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; a 'research use only' label does not change that.

Mixed; NMN restricted

NR is an authorised novel food; NMN's food status is unsettled in the EU. Intravenous NAD+ for 'wellness' is an unlicensed medical use.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; a 'research use only' label does not change that.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; a 'research use only' label does not change that.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; a 'research use only' label does not change that.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law; a 'research use only' label does not change that.

Not authorised

No EMA marketing authorisation. Under regulatory review following the phase 3 programme.

Not authorised

Investigational; no EMA authorisation.

Approved, prescription-only

Multiple somatropin products authorised for growth-hormone deficiency and related indications. Supply for physique or anti-ageing use is outside the licence.

Approved, prescription-only

Authorised for fertility indications and hypogonadotropic hypogonadism.

Supplement; injectable unapproved

Sold as a food supplement. No authorised injectable product for cosmetic use.

Unauthorised medicinal product

No marketing authorisation. Sold as a research reagent; supplying it for human use is an offence under national medicines law.

Unauthorised medicinal product

No marketing authorisation in any member state; supplying it for human use is an offence under national medicines law.

Unauthorised medicinal product

No marketing authorisation in any member state. Supplying it for human use is an offence under national medicines law.

Approved, prescription-only

Centrally authorised (Trulicity) for type 2 diabetes since 2014.

Approved, prescription-only

Centrally authorised for type 2 diabetes (Byetta 2006; Bydureon 2011).

Authorised in several member states

National authorisations exist as a diagnostic and, in pump form, for hypothalamic infertility; there is no central authorisation. Use alongside testosterone replacement is off-label.

Approved, prescription-only

Centrally authorised (Scenesse) in 2014 under exceptional circumstances for erythropoietic protoporphyria. Tanning use is not authorised; injectable 'Melanotan' products are illegal.

Approved, prescription-only

Centrally authorised (Imcivree) 2021 for POMC, PCSK1 or LEPR deficiency obesity; 2022 for Bardet-Biedl syndrome. Genetic confirmation required.

Unauthorised medicinal product

No marketing authorisation anywhere. Supplying it for human use is an offence under national medicines law.

Unauthorised medicinal product

No marketing authorisation in any member state. Sold online as a 'supplement', which it is not.

Authorised nationally in Austria and some member states

No central (EU-wide) authorisation. Where authorised, prescription-only and given by infusion.

Approved, prescription-only

Centrally authorised (Forsteo) since 2003; biosimilars since 2017.

Approved, prescription-only

Authorised in every member state for prostate cancer, endometriosis, fibroids and precocious puberty.

Not authorised

A marketing application was withdrawn; no EU approval.

Approved, prescription-only

Authorised in every member state (Sandostatin, LAR) for acromegaly, neuroendocrine tumours and other indications.

Unauthorised medicinal product

No marketing authorisation anywhere. Supplying it for human use is an offence under national medicines law.

Unauthorised medicinal product

No marketing authorisation anywhere. Supplying it for human use is an offence under national medicines law.

Cosmetic ingredient

Permitted in cosmetics; no medicinal authorisation. Injectable products are unauthorised medicines.

Authorised in some member states (ED, with phentolamine)

Invicorp is licensed nationally in Denmark and others for erectile dysfunction; no authorisation for any other use.

Unauthorised medicinal product

Investigational only; orphan designation. Supplying it for human use outside a trial is an offence.

Not authorised

Investigational; no EMA authorisation at review.

Not authorised

Investigational.

Not authorised

Investigational.

Not authorised

No EMA application known at review.

Approved, prescription-only

Eladynos, centrally authorised December 2022 after a 2018 refusal.

Restricted

Nasal spray marketing authorisations withdrawn following the EMA's July 2012 review; injectable use limited to short courses for Paget's disease, acute immobilisation bone loss and hypercalcaemia of malignancy.

Approved, prescription-only

Nationally authorised products (Minirin, Nocdurna and generics) across member states.

Not authorised

No marketing authorisation; supply for human use is unlawful.

Not authorised

No marketing authorisation.

Not authorised

Preclinical; supply for human use is unlawful.

Not authorised

Investigational.

Approved, prescription-only

Lyxumia authorised 2013; Suliqua (with insulin glargine) authorised 2017. Check availability of the standalone product, which Sanofi has discontinued in several markets.

Approved, prescription-only

Human insulins and analogues centrally authorised; some countries allow pharmacy sale of human insulin without prescription.

Food supplement

Sold as food; no authorised health claim for skin or joints under the EU claims register.

Food supplement

Sold as food; no authorised health claim.

Not authorised

No marketing authorisation.

Not authorised

No marketing authorisation; supply for human use is unlawful.

What changed, and when

  1. 26 Jun 2012Egrifta (tesamorelin) marketing authorisation application withdrawn in the EU.
  2. 2018 / 2022Ozempic and Wegovy (semaglutide) authorised; Mounjaro (tirzepatide) authorised 2022.
  3. Apr–Nov 2025Europol Operation SHIELD VI: 3,354 prosecuted, €33 million seized across 30 countries.
  4. 1 Jun 2026EMA's first guideline on the quality of synthetic peptide medicines takes effect — a manufacturing standard, not an authorisation route for research peptides.

Questions

Is it illegal to buy BPC-157 in the EU?
Supplying it for human use is illegal for the seller in every member state. Whether the buyer commits an offence depends on national law; in Sweden receiving it by post from outside the EEA is prohibited outright, and from inside the EEA it fails the requirement that the medicine be authorised.
Can I bring peptides into Sweden?
By post from outside the EU/EEA: no. From an EEA country: only an authorised medicine, from a pharmacy, for personal use, up to a year's supply, with a prescription if one is required. Research peptides are not authorised anywhere in the EEA, so they do not qualify.
Is retatrutide approved in Europe?
No. It is in phase 3 trials and has no authorisation anywhere. Pens sold online as retatrutide are unlicensed and, in the seizures made in 2025–2026, frequently counterfeit.
Does a "research use only" label make a sale legal?
Not when the product is presented for human use. The directive's definition turns on presentation and function, and the Court of Justice has long held that a product is a medicinal product if an averagely well-informed consumer would understand it as one.

Sources

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LYO summarises the law for research and educational purposes. It is not legal advice; rules change and enforcement varies. Corrections through the contact page.