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G1 Peptides

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Half-life, dosing, mechanism, status — side by side. Select up to four compounds, or start from a preset.

Melanotan II
Max 4 peptides
PropertyMelanotan II
CategoryCosmetic
TypePeptide
MechanismNon-selective melanocortin receptor agonist
StatusInvestigational
Dosing range100–500 mcg per dose
FrequencyDaily (loading), then 1–2× weekly
Half-lifeHours (limited data)
RouteSubcutaneous
Onset1–2 weeks with UV exposure
Studied for
  • Skin pigmentation
Key risks
  • Nausea
  • Flushing
  • Darkening of moles
  • Unapproved — safety concerns
StorageRefrigerated (2–8 °C); use within the pharmacy beyond-use date
Available at G1Not currently carried. Ask a provider
ToolsDosage calculator →

PROPERTY COMPARISON · RADAR

Profile shape

DurationQuick OnsetVersatilityTolerabilityUse CasesStackability
Editorial profile scores (0–10) for orientation — not clinical measurements.

TYPICAL DOSE RANGES

Dose envelope

Melanotan II100 mcg – 500 mcg

Typical per-dose range on a logarithmic scale. Your provider sets your dose.

For educational purposes only. Consult a licensed provider before starting any peptide protocol.