Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.
Best GHK-Cu Vendors of 2026
Ranked by Price, Purity, and Reputation
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Quick Comparison
| Rank | Vendor | Price | Amount | $/mg | COA | Score | |
|---|---|---|---|---|---|---|---|
| 1 | EZ Peptides | $28.00 | 50mg | $0.56/mg | Yes | 10/10 | |
| 2 | Ascension Peptides | $40.00$80.00 | 100mg | $0.40/mg | Yes | 9.9/10 | View50% OFF |
| 3 | Ion Peptide | $29.00 | 50mg | $0.58/mg | Yes | 9.7/10 | |
| 4 | BioLongevity Labs | $84.97 | 50mg | $1.70/mg | Yes | 9.1/10 | |
| 5 | Royal PeptidesShips InternationallyPays with Crypto | $55.00 | 50mg | $1.10/mg | Yes | 9/10 | |
| 6 | Swiss ChemsShips Worldwide | $68.95 | 50mg | $1.38/mg | Yes | 8.9/10 |
GHK-Cu Stacks & Blends
Pre-mixed combinations containing GHK-Cu — one vial, multiple peptides.
BPC-157 + GHK-Cu + TB-500
Also contains: BPC-157, TB-500
BPC-157 + GHK-Cu + TB-500 + KPV
Also contains: BPC-157, TB-500, KPV
Glow Blend (BPC-157 + GHK-Cu + TB-500)
Also contains: BPC-157, TB-500
Klow Blend (BPC-157 + GHK-Cu + KPV + TB-500)
Also contains: BPC-157, TB-500, KPV
Compare More Peptide Vendors
How We Score Vendors
Our scoring is based on three weighted factors:
Price Competitiveness (40%)
Normalized to cost per milligram for fair comparisons across vial sizes.
COA Availability (30%)
Third-party lab testing confirming purity, identity, and absence of contaminants.
Vendor Reputation (30%)
Community feedback, shipping reliability, customer service, and business track record.