Melanotan 1 vs Melanotan 2
Which should you choose? Here's what you need to know.
The short answer
Melanotan I is purely for tanning with fewer side effects. Melanotan II tans plus has appetite suppression and libido effects.
On 9 Oct 2026 Peptide Compare tracked 30 vendors selling Melanotan 1, cheapest in stock $2.37 per mg at Modern Research, and 44 selling Melanotan 2, cheapest $1.31 per mg at Bio Pepz.
Melanotan 1
Anti-Aging / SkinMelanotan I (afamelanotide) is a more selective melanocortin receptor agonist. It primarily stimulates melanin production for skin darkening with fewer off-target effects.
Choose Melanotan 1 if:
You want tanning effects without the libido and appetite side effects, or prefer a more targeted approach.
Melanotan 2
Anti-Aging / SkinMelanotan II is broader-acting, hitting multiple melanocortin receptors. Beyond tanning, it's known for appetite suppression and significant libido enhancement.
Choose Melanotan 2 if:
You want the tanning plus the additional effects (appetite suppression, libido boost), or it's more available from your preferred vendor.
Price & availability
Once you've decided which peptide fits your needs, here's how they compare on price and vendor options. Prices verified Oct 9, 2026.
Melanotan 1
Melanotan 2
$25.00
Starting from
$15.00
$5.29
Avg. price per mg
$5.23
30
Vendors selling it
44
26 options
In stock now
36 options
7.8/10
Top trust score
9.1/10
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Our top-rated vendor for each, based on trust scores, purity testing, and price.
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Where does this data come from?
We re-check vendor prices continuously and score vendors on Finnrick blind-test results — samples bought anonymously and sent to a lab, not vendor claims. No vendor can pay to rank higher. See our full methodology.