AHK-Cu vs Melanotan 2
Which should you choose? Here's what you need to know.
The short answer
AHK-Cu and Melanotan 2 are both anti-aging / skin peptides, but they work differently. A copper peptide studied for hair and skin, closely related to GHK-Cu. A synthetic peptide analog of alpha-MSH studied for skin tanning and other effects. One of the most widely discussed peptides in the biohacking community. Compare vendor pricing and availability below.
On 9 Oct 2026 Peptide Compare tracked 18 vendors selling AHK-Cu, cheapest in stock $0.090 per mg at Solution Peptides, and 44 selling Melanotan 2, cheapest $1.31 per mg at Bio Pepz.
AHK-Cu
Anti-Aging / SkinA copper peptide studied for hair and skin, closely related to GHK-Cu.
Melanotan 2
Anti-Aging / SkinA synthetic peptide analog of alpha-MSH studied for skin tanning and other effects. One of the most widely discussed peptides in the biohacking community.
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.
AHK-Cu
Melanotan 2
$29.00
Starting from
$15.00
$9.96
Avg. price per mg
$5.23
18
Vendors selling it
44
21 options
In stock now
36 options
9.0/10
Top trust score
9.1/10
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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.