Melanotan II vs PT-141: Price Comparison
Nightly $/mg price comparison of Melanotan II and PT-141 across US research-peptide vendors. As of 2026-10-17, the lower listed price per mg is Melanotan II ($1.988/mg) vs PT-141 ($2.003/mg). At the median, PT-141 is listed at $4.60/mg against $4.15/mg for Melanotan II, a gap of $0.45/mg (1.1×). This is a price comparison only — not a comparison of potency, dosing, safety, or efficacy, and not medical advice.
| Metric | Melanotan II | PT-141 |
|---|---|---|
| Lowest listed $/mg | $1.988/mg | $2.003/mg |
| Median listed $/mg | $4.15/mg | $4.60/mg |
| Middle half of listings ($/mg) | $3.50/mg – $5.05/mg | $3.96/mg – $6.00/mg |
| Vendors tracked | 153 | 155 |
| 30-day price trend | +3.75% (30d) | +2.23% (30d) |
| Cheapest vendor | North Peptide | Peptaura |
| Stores listing both | 123 stores list both (Melanotan II: 153, PT-141: 155) | |
Melanotan II vs PT-141 price questions
Which is cheaper per mg, Melanotan II or PT-141?
As of 17 Oct 2026, the median listed price is $4.15/mg for Melanotan II and $4.60/mg for PT-141, so Melanotan II has the lower median $/mg. By lowest single listing the lower figure is Melanotan II at $1.988/mg against $2.003/mg for PT-141. Prices are single-vial, ex-shipping and refreshed nightly; this says nothing about quality or suitability.
How much more expensive is PT-141 than Melanotan II per mg?
As of 17 Oct 2026, the median listed price of PT-141 is $0.45/mg higher than Melanotan II ($4.60/mg against $4.15/mg), a ratio of 1.1 to 1. Medians are across each compound's current comparable single-vial listings.
How many stores list both Melanotan II and PT-141?
As of 17 Oct 2026, 123 tracked stores list both. Melanotan II is priced by 153 stores and PT-141 by 155. Listing a store is a statement about price data, never an endorsement.
Have Melanotan II and PT-141 prices changed in the last 30 days?
The 30-day change in the daily median $/mg is +3.75% for Melanotan II and +2.23% for PT-141. Days the crawl missed are left out, never filled in.
Does this page compare Melanotan II and PT-141 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.