✓ Purity · passLab has no portalShop-provided sample

GHK-Cu × peakpeptides.shop — lab test, February 2026

Sample label: Peak Peptides
Tested · submitted by Peptigrity Team Member 02PEPTIGRITY TEAM
Sample source: shop-provided. The shop chose and sent this vial. Samples bought at retail by a member carry more weight.How we weigh evidence →
HPLC Purity
99.5%
✓ Excellent purity only
↓ Download COA
COA on file — not portal-verified

This lab doesn't publish a public lookup, so we can't confirm the certificate against the lab's own record. The document was reviewed before publication, but it rests on our review alone.

What portal verification means →

Test results

6 data points
Purity
99.5%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
80 mg
Tested qty
85.75 mg
Qty match
107% of labeled · +7%
Batch / Lot
N/A
Container
3ml clear glass vial of blue lyophilized powder. Purple Cap / Silver Crimp
Tested by

This is a purity and identity analysis. Sterility, endotoxins, and heavy metals were not screened — a high purity figure says nothing about those.

About this test

What’s in the vial

Label 80 mg · Lab measured 85.75 mg

107% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 21.4 mg using the measured mass, against 20 mg on the label — 7% more.

One vial from this lot was weighed by the laboratory, not yours. This page reports what the certificate says; it does not recommend a dose.

Verification trail
Portal lookupLab has no portalThis laboratory publishes no public lookup, so the report cannot be confirmed independently.
PDF vs portalAnalytical Formulations Inc's portal shows validity only
WeightCounts as one lab test

Independent HPLC purity analysis of KLOW from peakpeptides.shop, performed by Analytical Formulations Inc on February 7, 2026. Reported purity: 99.5%. Net content: 85.75 mg against 80 mg labeled (107% of label). Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Issued by Analytical Formulations Inc · Feb 07, 2026 · Batch N/A

Other lots of GHK-Cu from peakpeptides.shop

LotTestedLabPurityvs labelStatus
GHKC-100-04269 Apr 2026Analytical Formulations Inc99.6%127%Lab has no portal

Batches this shop has published a certificate for, newest first. A lot whose printed value cannot identify a batch is not listed.

Related lab tests

8 tests

The 819 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.50%.

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