PT-141 (Bremelanotide)A melanocortin-receptor drug approved by the FDA in 2019 as Vyleesi for low sexual desire in premenopausal women. We…Not authorized in Canada (approved elsewhere)
Melanotan I and II"Tanning peptides" sold online. Health Canada lists melanotan I and II among seized unauthorized injectables. A…Not authorized in Canada
KisspeptinA natural hormone that switches on the reproductive axis. Researchers have tested it as an IVF trigger in small trials.…Not authorized in Canada
OxytocinA peptide hormone authorized in Canada as an injection used in labour and delivery. Intranasal oxytocin for social or…Authorized in Canada (prescription)Evidence at a glance
Status and evidence table
| Peptide | Canada status | Human evidence |
|---|---|---|
| PT-141 (Bremelanotide) | Not authorized in Canada (approved elsewhere) | Moderate: some randomized human trials, specific uses (small effects) |
| Melanotan I and II | Not authorized in Canada | Melanotan II: case reports of harm only; afamelanotide: RCTs in a rare disease |
| Kisspeptin | Not authorized in Canada | Limited: small or low-quality human studies (fertility research) |
| Oxytocin | Authorized in Canada (prescription) | Established for obstetric use; inconclusive for intranasal social/mood uses |
Status reflects Health Canada's peptide pages, its April 2026 advisory and the Drug Product Database as checked on November 10, 2026. Authorized products carry an 8-digit DIN (drugs) or NPN (natural health products).