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Peptide Spencer

Reproductive & melanocortin

Melanotan II

  • 10 mg

Custom strengths on request

Not FDA-approved. Not on FDA's 503A category lists (May 14, 2026). Source, May 14, 2026

At a glance

These dosages are a helpful guide, not a prescription. Every clinician is expected to do their own due diligence before prescribing.

  1. Start

    0.01 mg/kg per dose subcutaneous, escalated in 0.005 mg/kg increments

    Human study
  2. Typical

    0.025 mg/kg subcutaneous as a single dose

    Human study
  3. Ceiling

    0.025 mg/kg SC per dose recommended; 0.03 mg/kg caused Grade II somnolence

    Human study
Frequency
Every other day, alternating with saline, in the phase I pilot
Route
Subcutaneous injection
Course
2 consecutive weeks (about 5 MT-II doses) in the phase I pilot
Doses are mg/kg per injection from small male studies only; do not read 0.025 mg/kg as a flat 0.025 mg.

Full dosing guide

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Custom strengths on request. Prices are quoted per clinic.