Charlotte K.✓ Verified owner
June 25, 2026
cold pack still cold when it arrived
GHK Copper (Cu)
COA Verified
Every lot of GHK Copper (Cu) is released only after third-party HPLC purity (≥ 99 %), mass-spec identity confirmation and LAL endotoxin testing. The full Certificate of Analysis for your lot ships with the vial.
Released · In stock at the U.S. facility
In stockShips today2–5 day U.S. delivery
What research shows
- ≥ 99 % HPLC purity — verified by a third-party lab on every lot
- U.S. synthesis — made & tested in Carlsbad, California
Why Puripep: ≥99% HPLC verified · LAL endotoxin <10 EU/mg · third-party CoA per lot · ships in insulated packaging · 2–5 day U.S. delivery
The science behind it
GHK Copper (Cu) is supplied as a lyophilized research peptide.
Storage & reconstitution
Store the lyophilized vial at −20 °C (long term) or 2–8 °C (short term, up to 30 days). Reconstitute with bacteriostatic water at the working concentration. After reconstitution, store at 2–8 °C and use within 28 days.
Quality & release standards
Each lot is released only after passing: HPLC purity ≥ 99 %, mass-spectrometry identity confirmation, and LAL endotoxin < 10 EU/mg. Certificate of Analysis (CoA) issued per lot. U.S. synthesis (Carlsbad CA).
Research Use Only — GHK Copper (Cu) is sold for in-vitro laboratory research and authorised professional use. Not for human or animal consumption. Not a medicinal product, supplement, food additive, or cosmetic. Customers represent they are a qualified researcher, laboratory, or institution.
- ≥ 99 % HPLC purity
- CoA on every vial
- U.S. warehouse · flat $14.99
Available doses 50 mg | 100 mg
Reviews
4.8367 customer reviews
5★297
4★62
3★8
2★0
1★0
Ryan D.
June 24, 2026
quality shop. here super quick. seal held, nothing leaking 🔥
Samantha✓ Verified owner
June 23, 2026
vial came intact and it landed in about 4 business days
Craig T.✓ Verified owner
June 23, 2026
the freezer pack held its chill
Michelle Bennett✓ Verified owner
June 23, 2026
vial was intact, no leaks
Emma M.✓ Verified owner
June 20, 2026
first-timer here, shipped fast and matched the description
hank_tanya✓ Verified owner
June 19, 2026
kinda average honestly. shipping crawled along slower than i wanted
Anonymous✓ Verified owner
June 19, 2026
sealed up spotless. really pleased with it
