Peptide A · Melanocortin analogues
Melanotan I
Synthetic linear alpha-melanocyte-stimulating hormone analogue research material
MT-IMT1Afamelanotide
Open the 10 mg price board ↗Research price & evidence comparisonMelanotan I
Melanotan I
vs Melanotan II.
Melanotan I and Melanotan II are easy to confuse in search results, abbreviations, and seller menus. This comparison resolves the exact seller-labelled identity first, then shows the current 10 mg US research-listing footprint, vendor overlap, public-document access, availability, and price dispersion for each separate board.
2shared seller pages
Same10 mg / 10 mg board sizes
5rows with public evidence routes
0clinical or effect rankings
Identity before price
Two records, kept separate.
Melanotan I is categorized as a synthetic linear alpha-melanocyte-stimulating hormone analogue research material, while Melanotan II is categorized as a synthetic cyclic melanocortin analogue research material. The roman numeral is an identity field, not a minor product variation.
Peptide B · Melanocortin analogues
Melanotan II
Synthetic cyclic melanocortin analogue research material
MT-IIMT2Melanotan 2
Open the 10 mg price board ↗Like-for-like fields
Commercial footprint, side by side.
Price ranges use rows marked in stock. “Public evidence route” means a seller exposed a document link; it does not establish authenticity, chain of custody, purity, sterility, or vial contents.
| Comparison field | Melanotan I | Melanotan II |
|---|---|---|
| Editorial family | Melanocortin analogues | Melanocortin analogues |
| Seller-listed identity | Synthetic linear alpha-melanocyte-stimulating hormone analogue research material | Synthetic cyclic melanocortin analogue research material |
| Nominal board size | 10 mg | 10 mg |
| Available list range | $29.99–$49.00 | $36.99–$37.99 |
| Median available price | $31.84 | $37.49 |
| Lowest available / mg | $3.00 | $3.70 |
| Available rows | 3 of 4 | 2 of 3 |
| Public evidence routes | 3 rows | 2 rows |
| Evidence only on request | 1 rows | 1 rows |
| Available-price spread | 63% | 3% |
| Snapshot checked | Aug 22, 2026 | Aug 22, 2026 |
Unit warning
Per-milligram figures normalize the seller’s nominal quantity only. They are not a cross-compound value, potency, effect, or dose comparison.
Seller overlap
Where the current boards intersect.
The two names share a melanocortin family and nearly identical shorthand, so exact-domain seller pages and explicit I-versus-II labels are necessary to prevent price or evidence from being assigned to the wrong material.
- Pepta Labs
- Purgo Labs
- Core Peptides
- Pax Peptide
- Onyx BioLabs
Three reading rules
What keeps this comparison honest.
- 01
Treat MT-I, Melanotan 1, MT-II, and Melanotan 2 as search aliases that still require exact resolution.
- 02
Do not transfer an availability state, batch report, or seller claim from one numeral to the other.
- 03
The approved SCENESSE medicine record is a separate product and evidence lane from either research board.
Official context boundary
Read the source behind each category note.
These official context records explain why Peptide Local keeps research listings outside medical and approved-product lanes. They do not certify any seller or material.
Afamelanotide is the active ingredient in FDA-approved SCENESSE, a 16 mg prescription implant with a specific indication, label, dosage form, and regulated supply chain. These seller-labelled 10 mg research vials are not approval-equivalent.
Read the current SCENESSE label ↗FDA lists Melanotan II among bulk substances that may present significant safety risks in compounding and describes reports of serious adverse events plus insufficient information to establish safety for human administration.
Read the FDA source ↗Continue comparing