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✓ Purity · passShop-provided sample

GHK-Cu × Petratide Science — Lab Test, April 2026

LotPS03-GL70look this batch up across every shop →
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
99.688%
✓ Excellent purity only
PeptideGHK-Cu
Brandpetratidescience.com
Labfreedomdiagnosticstesting.com
↓ Download COA
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Test results

7 data points
Purity
99.688%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
70 mg
Tested qty
68.63 mg
Qty match
98% of labeled · -2%
Batch / Lot
PS03-GL70
Container
Blue Lyophilized Powder
Tested by
freedomdiagnosticstesting.comView profile →

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 70 mg · Lab measured 68.63 mg

98% of label, basis not stated — shown as printed. Reconstituted with 2 mL, a 50-unit draw holds 17.2 mg using the measured mass, against 17.5 mg on the label — 2% less.

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.

Independent HPLC purity analysis of Glow Blend from petratidescience.com, performed by freedomdiagnosticstesting.com on April 3, 2026. Reported purity: 99.688%. Net content: 68.63 mg against 70 mg labeled (98% of label). Batch PS03-GL70. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for Glow Blend 70mg from Petratide Science showing 99.688% purity
↗ View full-size↓ Download COA
Issued by freedomdiagnosticstesting.com · Apr 03, 2026 · Batch PS03-GL70

Other lots of GHK-Cu from petratidescience.com

LotTestedLabPurityvs labelStatus
PS05-CUKV6030 May 2026freedomdiagnosticstesting.com99.68%129%Unverified
PS04-CU10023 Apr 2026freedomdiagnosticstesting.com99.91%96%Unverified
PS04-GHK02-B23 Apr 2026freedomdiagnosticstesting.com99.92%98%Unverified
PS03-CU02-P15 Mar 2026freedomdiagnosticstesting.com99.455%95%Unverified
PS03-KL01-W15 Mar 2026freedomdiagnosticstesting.com99.74%95%Unverified
PS02-K5012 Feb 2026freedomdiagnosticstesting.com99.887%111%Unverified
PS02-GC1001 Feb 2026freedomdiagnosticstesting.com99.441%85%Unverified
PS02-GK1 Feb 2026freedomdiagnosticstesting.com99.339%118%Unverified

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 812 other GHK-Cu tests on Peptigrity range from 95.76% to 100.00%. This one sits at 99.69%.

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