Disclosure: We earn a commission from vendors on this page. Rankings are based on price, COA availability, and reputation.
Best Tanning Peptides (2026)
Tanning peptides stimulate melanin production for a natural tan. Here are the top vendors ranked by price and quality.
At a Glance
1Melanotan II3 vendorsFaster, deeper tanning with lower doses. Also boosts libido. More side effects (nausea, flushing) than MT-1 but far more effective.
Faster, deeper tanning with lower doses. Also boosts libido. More side effects (nausea, flushing) than MT-1 but far more effective.
Faster, deeper tanning with lower doses. Also boosts libido. More side effects (nausea, flushing) than MT-1 but far more effective.
| Vendor | Price | Amount | $/mg | COA | |
|---|---|---|---|---|---|
| EZ Peptides | $35.00 | 10mg | $3.50/mg | Yes | Buy → |
| Ascension Peptides | $40.00 | 10mg | $4.00/mg | Yes | Buy → |
| Ion Peptide | $35.00 | 10mg | $3.50/mg | Yes | Buy → |
2Melanotan I3 vendorsSelective melanocortin agonist (afamelanotide). Gentler side effects and FDA-approved for EPP, but slower tanning and higher doses needed.
Selective melanocortin agonist (afamelanotide). Gentler side effects and FDA-approved for EPP, but slower tanning and higher doses needed.
Selective melanocortin agonist (afamelanotide). Gentler side effects and FDA-approved for EPP, but slower tanning and higher doses needed.
| Vendor | Price | Amount | $/mg | COA | |
|---|---|---|---|---|---|
| EZ Peptides | $44.00 | 10mg | $4.40/mg | Yes | Buy → |
| Ascension Peptides | $40.00 | 10mg | $4.00/mg | Yes | Buy → |
| Ion Peptide | $19.00 | 10mg | $1.90/mg | Yes | Buy → |
How We Rank Vendors
Every vendor is scored on three factors: price per mg (40%), third-party COA testing (30%), and community reputation (30%). Scores floor at 8.0 — if a vendor is on our site, they are worth buying from.
Normalized to $/mg for fair comparison across vial sizes.
Third-party lab results confirming purity and identity.
Community feedback, shipping reliability, and track record.