The Definitive Peptide Research Reference Guide — Compound Review

FDA-approved (prescription only)

Is PT-141 Legal?

PT-141 (bremelanotide) is FDA-approved as Vyleesi for hypoactive sexual desire disorder in premenopausal women. As a research chemical, it is available for laboratory research. It is not a controlled substance but requires a prescription for clinical human use.

Quick Reference: PT-141 Legal Status

US Status
Research Chemical
Legal to purchase for research
DEA Schedule
Not Scheduled
Not a controlled substance
FDA Status
Not Approved
FDA-approved as Vyleesi (prescription required for human use)

Legal Disclaimer: This page is for informational purposes only and does not constitute legal advice. Regulatory status can change. Always consult a qualified legal professional and verify current regulations in your jurisdiction before purchasing or using any research chemical.

PT-141 Legal Status by Country

United States

FDA-approved as Vyleesi (bremelanotide) for clinical use. Not a controlled substance. Available as a research chemical for laboratory research purposes.

Canada

Not approved by Health Canada for clinical use. Available for research purposes.

United Kingdom

Not licensed by the MHRA for clinical use. Available for research purposes.

Australia

Not approved by the TGA for clinical use. Available for research purposes.

European Union

Not approved by the EMA as a medicinal product. Available for research purposes in most member states.

Research Use vs. Clinical Use

There is an important legal distinction between purchasing PT-141 as a research chemical and using it for human therapeutic purposes.

Research Use (Legal)
  • • Purchased for legitimate laboratory research
  • • Used in in vitro or animal studies
  • • Handled by qualified researchers
  • • Labeled "For Research Use Only"
Human Use (Regulated)
  • • Requires FDA approval or prescription
  • • Subject to clinical safety standards
  • • Compounding restrictions may apply
  • • Consult a licensed physician

Frequently Asked Questions

Is PT-141 a controlled substance?

No. PT-141 (bremelanotide) is not listed as a controlled substance under the DEA Controlled Substances Act.

Is PT-141 the same as Vyleesi?

Yes. PT-141 is the research name for bremelanotide, which is marketed as Vyleesi by Palatin Technologies. The FDA-approved Vyleesi requires a prescription.

Can I buy PT-141 legally without a prescription?

Research-grade PT-141 is available as a research chemical without a prescription for legitimate laboratory research purposes. Clinical use requires a prescription.

Is PT-141 banned in sports?

PT-141 is not specifically listed on the WADA prohibited list as of 2025. However, athletes should verify current guidelines before use.

Is PT-141 legal in the UK?

PT-141 is not licensed as a medicine in the UK by the MHRA. It is available for research purposes but is not approved for clinical human use.

Source Research-Grade PT-141

Purgo Labs provides HPLC-verified, third-party tested PT-141 for legitimate research purposes. Every batch includes a certificate of analysis.

Shop PT-141 at Purgo Labs

Related Research Guides

Medical Disclaimer: All content on this site is for educational and research purposes only. Research peptides are not FDA-approved for human use. Always consult a qualified healthcare professional before considering any peptide or supplement protocol. Nothing on this site constitutes medical advice, diagnosis, or treatment.