GHK-Cu
Lab tested · 50 mgLab tested · certificate on the page
$47
Rated 4.9 out of 5 from 312 reviews
Every vial.
Verified.
Research-grade peptides, tested by an independent lab and shipped cold from the United States. The certificate is on the page.
12k+ orders12k+ orders shippedUp to 20% off by volumeUp to 20% off by volumeCOA on the pageCertificate on the product page
- Independent lab testedIndependent HPLC + LC-MS testing
- Ships same day by 5 PM ETShips cold same day if ordered by 5 PM ET
- COA on the page
How a vial reaches you.
Synthesized, tested and shipped from one US facility. Nothing outsourced, nothing unverified.
Synthesized
Solid-phase synthesis, purified by HPLC, lyophilized and sealed in 3 mL glass.
Tested
An independent lab runs HPLC purity and LC-MS identity testing.
Shipped cold
Ice-packed in the magnetic box, out the door the same day if ordered by 5 PM ET, tracked.
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Read the certificate before you buy.
Each compound is synthesized, purified and sent to an independent lab for HPLC purity and LC-MS identity testing. The report is public — this is what one looks like.
- Purity
- 99.09%
- Sterility
- No growth
- Assay
- 11.34 mg
- Endotoxin
- 7.70 EU/mg
Buy more, save up to 20%. Every vial, every time.
Same compound and dose. No code needed.Counted per product: vials of the same compound and dose. No code needed.
1 vial
Lab tested
2 vials
5% off
- Most popular
3–9 vials
10% off
10+ vials
20% off
What researchers say
The COA link on the product page matched the lot number on the vial. That is what I check first.
M. R.
Verified order · Sept 2026
Cold pack was still frozen on arrival two days later. Second order in a month.
D. K.
Verified order · Sept 2026
The research peptide industry has a transparency problem.
We built Ascend Bio Labs because researchers deserve a supply chain they can actually verify.
Most suppliersTrust us, it's 99% pure.
Most suppliers say: trust us.
- No third-party testing
- No batch-level documentation
- Unknown synthesis origin
- No cold-chain handling
AscendHere's the certificate. Verify it yourself.
Ascend hands you the certificate.
- Independent HPLC + LC-MS testing
- Public certificates of analysis
- Full domestic US supply chain
- Temperature-controlled shipping
Questions researchers ask
Orders placed before 5:00 PM Eastern Time ship the same business day, cold-packed, from our US facility.
2 or more of the same vial take 5% off, 3 or more 10% and 10 or more 20%. The discount is applied automatically at checkout, no code needed.
Yes, to Canada, the United Kingdom and Australia. Duty and destination tax are collected by the carrier on delivery.
No. All products on this site are sold for laboratory research use only. They are not intended to diagnose, treat, cure, or prevent any disease, and are not for human or veterinary consumption. By purchasing you confirm you are a qualified researcher.
