Research Use Only — Not for Human or Veterinary Use.
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Melanotan II + PT-141 Stack

Blend & StackResearch Use Only

Also known as: MT-2 + Bremelanotide Stack, MT-II + PT-141

This stack combines Melanotan II (a melanocortin analog studied for pigmentation signaling) with PT-141 (bremelanotide, a related melanocortin peptide studied for a separate pathway). The two are grouped in research literature because both act on melanocortin receptors, though they are studied for different primary effects.

Typical range (research)
Commonly referenced research ranges per component: Melanotan II around 250-500 mcg per administration; PT-141 around 0.5-2 mg per administration. Supplied at 10 mg each.
Half-life
Varies by component
Route
Subcutaneous (research)
Common use
Melanocortin-pathway research
Common vial sizes
10 mg each
Storage
Refrigerate reconstituted solution at 2-8 C; keep powder cold until reconstitution.
Stacking notes
Components: Melanotan II, PT-141 (bremelanotide).

Reported side effects

Nausea reported anecdotallyFacial flushing reported anecdotallyTransient blood-pressure changes reported anecdotallyDarkening of pigmentation reported with melanocortin peptidesHuman data limited
Regulatory note: PT-141 (bremelanotide) is an approved prescription drug in some jurisdictions; a component of this stack corresponds to a regulated pharmaceutical.
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Dose figures are ranges commonly referenced in research literature, not recommendations or medical advice. Not for human or veterinary use. Consult a licensed physician.