Melanotan-1 vs Melanotan-2

Comparing Melanotan-1 and Melanotan-2 — both produced end-to-end inside GMP-compliant U.S. laboratories with a fully domestic supply chain. This research-use reference summarizes how each is classified and what each has been studied for.

GMP-compliant U.S. facilities

ISO 17025 third-party COAs

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Quick answer

Reviewed by PX1 Research scientific team

Key takeaways

Melanotan-1 is a melanocortin analog.
Melanotan-2 is a melanocortin analog.
Both Melanotan-1 and Melanotan-2 from PX1 are produced end-to-end inside GMP-compliant U.S.

Melanotan-1

Melanotan-1 is a melanocortin analog. Researched for melanocortin activity related to skin pigmentation responses. Our Melanotan-1 is produced end-to-end inside GMP-compliant U.S. laboratories with a fully domestic supply chain and third-party COA tested.

Melanotan-2

Melanotan-2 is a melanocortin analog. Researched for melanocortin activity related to skin pigmentation responses. Our Melanotan-2 is produced end-to-end inside GMP-compliant U.S. laboratories with a fully domestic supply chain and third-party COA tested.

Sourcing & Quality

Both Melanotan-1 and Melanotan-2 from PX1 are produced end-to-end inside GMP-compliant U.S. laboratories with a fully domestic supply chain, with ISO 17025 third-party COAs available. All material is sold for laboratory and research use only — this page does not offer medical guidance or dosing.

Frequently Asked Questions

What is the difference between Melanotan-1 and Melanotan-2?

Melanotan-1 is a melanocortin analog; Melanotan-2 is a melanocortin analog. Each has a distinct research profile — see the sections above.

Are both made in the USA?

Yes — both are produced end-to-end inside GMP-compliant U.S. laboratories with a fully domestic supply chain and ship with third-party COAs available.

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All products are sold strictly for laboratory and research use only. Not for human or veterinary use, diagnosis, treatment or consumption. Statements have not been evaluated by the FDA.