Retaone Labs GHK-Cu
Evidence Score 75/100 · 3 of 4 GHK-Cu lab reports confirmed by the issuing lab
As of October 2, 2026, Retaone Labs lists GHK-Cu in 50, 100 mg from $29. Its best price works out to $0.39/mg, 37% below the typical $0.62/mg for GHK-Cu. It publishes 4 GHK-Cu lab reports; 3 are confirmed in the issuing lab's own records, the newest dated September 2, 2026. Its confirmed reports cover both purity and toxicity (endotoxin or sterility) testing. Code PEPASSESS gives 5% off.
GHK-Cu lab reports confirmed by the issuing lab
- September 2, 2026Koveralot GK500826purity, identity, endotoxin, sterilityview report ↗
- April 15, 2026Koverapurity, identity, endotoxin, sterilityview report ↗
- September 26, 2025Chromatepurity, identity, endotoxin, sterilityview report ↗
1 more GHK-Cu report published by Retaone Labs isn't matched to a lab's records yet.
GHK-Cu price at Retaone Labs
- From
- $29
- Best per mg
- $0.39/mg
- Typical per mg
- $0.62/mg
- Sizes
- 50, 100 mg
From Retaone Labs's own store, as of October 2, 2026; shipping and discounts not included.
Other GHK-Cu sellers with lab-confirmed reports
- Nextgen Peps91/100 · 2 confirmed · $0.59/mg
- Hydro Research Peptides90/100 · 7 confirmed · $0.55/mg
- Solyn90/100 · 4 confirmed · $0.96/mg
- Direct Peptides89/100 · 31 confirmed
- BioLongevity Labs88/100 · 7 confirmed · $1.70/mg
- Panda Peptides88/100 · 6 confirmed
Retaone Labs GHK-Cu questions
Is Retaone Labs's GHK-Cu lab tested?
Yes. As of October 2, 2026, Retaone Labs publishes 4 GHK-Cu lab reports, and PepAssess matched 3 to the issuing lab's own records (Kovera and Chromate). The newest confirmed report is dated September 2, 2026.
How much is GHK-Cu at Retaone Labs?
From $29 (50, 100 mg); its best price works out to $0.39/mg against a typical $0.62/mg, as of October 2, 2026. Prices come from Retaone Labs's own store and exclude shipping and discounts.
Is there a Retaone Labs coupon code for GHK-Cu?
Yes: PEPASSESS (5% off), entered at checkout on retaonelabs.com, as of October 2, 2026.
Who else sells lab-tested GHK-Cu?
As of October 2, 2026, the highest-scoring GHK-Cu sellers with a lab-confirmed report, besides Retaone Labs: Nextgen Peps (91/100, 2 confirmed), Hydro Research Peptides (90/100, 7 confirmed) and Solyn (90/100, 4 confirmed).