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Atlas Labs Melanotan II (MT-II) research peptide vial
Cosmetic

Melanotan II

MT-II

4.9 — read reviews

Rapid tanning + libido effects.

A cyclic α-MSH analog that binds multiple melanocortin receptors. Produces faster tanning than MT-I and has secondary effects on appetite and libido.

≥99% HPLCMass-Spec VerifiedEndotoxin TestedJanoshik Lab
$99.99
per vial · bulk discounts up to 40%
View COA

Researched Benefits

  • Rapid tan onset
  • Appetite suppression
  • Libido enhancement
  • Low-UV pigmentation
Typical Research Protocol

Typical: 250–500 mcg daily during loading, taper to 2–3x weekly.

Half-life

~33 minutes

For laboratory research use only. Not for human consumption, diagnosis, or treatment.

Dosing Reference

Typical Dose
250–500 mcg (loading); 500 mcg (maintenance)
Frequency
Daily (loading), 2–3× weekly (maintenance)
Route
Subcutaneous
Cycle Length
10–14 days loading then taper
Reconstitution:
Add 2 mL bacteriostatic water to a 10 mg vial → 5 mg/mL. Draw 5 units for 250 mcg.
Storage:
Lyophilized: refrigerate. Reconstituted: refrigerate, protect from light, use within 30 days.

Side Effects & Cautions

Reported in research
  • Nausea (especially early doses)
  • Facial flushing
  • Spontaneous erection (men)
  • Increased libido
  • Appetite suppression
  • Darkening of moles and freckles
Contraindications
  • History of melanoma or atypical moles
  • Cardiovascular disease research
  • Pregnancy/lactation: not studied

Reconstitution Calculator

Convert vial size + BAC water into draw units.

Research tool
Concentration5000 mcg / ml
Per insulin unit50.00 mcg / unit
Volume per dose0.050 ml
Draw to5.0 units

For laboratory reference only. Verify all calculations independently. Atlas Labs products are sold for research use, not human consumption.

Lab-verified quality

Every lot ships with a downloadable Certificate of Analysis.

≥99% HPLCMass-Spec VerifiedEndotoxin TestedJanoshik Lab
  • HPLC purity & identity by Janoshik Analytical
  • Mass-spectrometry confirmation of sequence
  • LAL endotoxin testing per lot
  • Cold-chain shipping with thermal protection

Research Citations

Peer-reviewed studies referenced in our product summary.

Frequently Stacked With

Researchers often combine Melanotan II with these peptides.

Frequently Asked Questions

Start low (250 mcg), dose at night, and ramp slowly. Nausea typically subsides after 3–5 doses.

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