Melanotan I vs Melanotan II: Price Comparison
Nightly $/mg price comparison of Melanotan I and Melanotan II across US research-peptide vendors. As of 2026-10-18, the lower listed price per mg is Melanotan I ($1.496/mg) vs Melanotan II ($1.988/mg). At the median, Melanotan II is listed at $4.15/mg against $4.00/mg for Melanotan I, a gap of $0.15/mg (1.0×). This is a price comparison only — not a comparison of potency, dosing, safety, or efficacy, and not medical advice.
| Metric | Melanotan I | Melanotan II |
|---|---|---|
| Lowest listed $/mg | $1.496/mg | $1.988/mg |
| Median listed $/mg | $4.00/mg | $4.15/mg |
| Middle half of listings ($/mg) | $3.499/mg – $4.50/mg | $3.50/mg – $5.00/mg |
| Vendors tracked | 81 | 154 |
| 30-day price trend | 0% (30d) | +3.75% (30d) |
| Cheapest vendor | Peptaura | North Peptide |
| Stores listing both | 72 stores list both (Melanotan I: 81, Melanotan II: 154) | |
Melanotan I vs Melanotan II price questions
Which is cheaper per mg, Melanotan I or Melanotan II?
As of 18 Oct 2026, the median listed price is $4.00/mg for Melanotan I and $4.15/mg for Melanotan II, so Melanotan I has the lower median $/mg. By lowest single listing the lower figure is Melanotan I at $1.496/mg against $1.988/mg for Melanotan II. Prices are single-vial, ex-shipping and refreshed nightly; this says nothing about quality or suitability.
How much more expensive is Melanotan II than Melanotan I per mg?
As of 18 Oct 2026, the median listed price of Melanotan II is $0.15/mg higher than Melanotan I ($4.15/mg against $4.00/mg), a ratio of 1.0 to 1. Medians are across each compound's current comparable single-vial listings.
How many stores list both Melanotan I and Melanotan II?
As of 18 Oct 2026, 72 tracked stores list both. Melanotan I is priced by 81 stores and Melanotan II by 154. Listing a store is a statement about price data, never an endorsement.
Have Melanotan I and Melanotan II prices changed in the last 30 days?
The 30-day change in the daily median $/mg is 0% for Melanotan I and +3.75% for Melanotan II. Days the crawl missed are left out, never filled in.
Does this page compare Melanotan I and Melanotan II beyond price?
No. It compares listed prices in US dollars per milligram, vendor counts and the 30-day price trend only. It does not compare potency, dosing, safety or efficacy, and it is not medical advice. Sale prices and shipping are not included.
Research Use Only. Publicly listed vendor prices, ex-shipping, normalized to $/mg and refreshed nightly — the same methodology and data as each compound’s own page (see how $/mg works and how we verify). Not medical advice, not a recommendation to purchase, and not a claim about potency, dosing, safety, or efficacy of either compound.