Premium research peptides — For research purposes only
Woosh Peptides
For Research Purposes Only
10 Pack
Third-party tested

Third Party Tested

99% purity guaranteed

99% Purity Guaranteed

Discrete packaging

Discrete Packaging

Sun protection · 10-vial pack

4.8/5 based on 2,847 reviews | Trustpilot

Melanotan I

$384.90

A 13-amino-acid α-MSH analog. Studied for melanogenesis, photoprotection, and erythropoietic protoporphyria indications with a cleaner safety profile than MT-II.

$549.90

$384.90

Save $165.00

Pay for 7 vials, receive 10 — $38.49 per vial instead of $54.99.

At your Door in 3-5 Days

Every pack earns rewards points · free shipping over $100

David P.

David P.

Independent Researcher

The CoA matched what I independently verified in my own assay. That's not something I've been able to say about most suppliers.

Johanna M.

Johanna M.

— Protocol researcher

Compound arrived lyophilized, correctly labeled, with a batch-specific CoA. Exactly what a research order should look like.

Edmund.

Edmund.

— Biochem researcher

I switched to Woosh after a competitor's purity claim didn't hold up to third-party testing.

Sarah C.

Sarah C.

— Independent researcher

The research library is genuinely useful. Study citations, mechanism breakdowns — not just marketing copy.

  • CAS Number: 75921-69-6
  • Molecular Formula: C78H111N21O19
  • Molecular Weight: 1646.85 g/mol
  • Purity: >99% HPLC
  • Form: Lyophilized powder
  • Storage: Store at 2–8°C

Designation: RUO — Research Use Only. Not for human or veterinary use.

A 13-amino-acid α-MSH analog. Studied for melanogenesis, photoprotection, and erythropoietic protoporphyria indications with a cleaner safety profile than MT-II.

The Research Profile section below details the mechanisms and the literature that frames each.

Every vial ships with a Certificate of Analysis tied to its batch. Third-party verified at ≥99% purity by independent HPLC and mass-spec. Discreet packaging, cold-chain handling where required, at your door in 3–5 business days.

If your shipment is delayed, damaged, or fails CoA verification, we replace it — no questions asked.

10-pack added to cart