Vendor and compound
Melanotan II from PeptidePlugs
PeptidePlugs lists Melanotan II at $4.00 per mg, level with the peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by Freedom Diagnostics Testing, averaging 99.72% purity. The cheapest listed price for Melanotan II anywhere in the index is $1.60 per mg at ZC Labs.
All Melanotan II vendors · PeptidePlugs profile · scores 86.3 of 100, rank 9 · 2 certificates for this compound · verified 29 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $40 | $4.00 | 0% | Melanotan II 10mg |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 160-710L-DK | 24 Jul 2026 | 99.71% | 10 mg → 10.48 mg | Freedom Diagnostics Testing | Open |
| 120-A-S | 22 Apr 2026 | 99.73% | 10 mg → 9.68 mg | Freedom Diagnostics Testing | Open |
Freedom Diagnostics Testing publishes a lookup, so these reports can be confirmed at the laboratory rather than taken from the vendor. How to check one.
Other vendors selling Melanotan II
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | $2.50 | 1 |
| Ascend Science | 90.1 | $3.50 | 0 |
| Amino Club | 88.3 | $3.00 | 0 |
| Modern Aminos | 88.1 | $3.80 | 0 |
| Origin Labs | 87.7 | — | 1 |
| Bench Grade Peptides | 86.8 | $4.50 | 1 |
| Polaris Peptides | 86.6 | $2.65 | 0 |
| Simple Peptide | 84.9 | $3.80 | 1 |
Ordered by overall evidence score. See every vendor listing Melanotan II.
Questions
Is Melanotan II from PeptidePlugs third-party tested?
Yes. 2 certificates for Melanotan II from PeptidePlugs are on file, signed by Freedom Diagnostics Testing. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Freedom Diagnostics Testing also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
How much does Melanotan II cost at PeptidePlugs?
$4.00 per milligram, from 10 mg at $40. The peer median across every vendor we price for Melanotan II is $4.00 per mg, so this is 0% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is PeptidePlugs a good place to buy Melanotan II?
PeptidePlugs scores 86.3 of 100 on the published rubric and ranks 9 overall, computed from its documentation rather than from opinion. For Melanotan II specifically it has 2 certificates on file. ZC Labs lists it cheaper at $1.60 per mg.