Lab result: pass

GHK-Cu (Copper Peptide)50 mg

Name: GHK-Cu (Copper Peptide) 50mg
Brand: Sentinel (US)

Lot Blue/Silver

PV-CU50-9N5

99.86%

Purity

59.3 mg net peptide content / 50 mg labeled

+19% overfill vs the 50 mg label

Average measured peptide mass across the tested vials — this lot measured above its label. Fill varies between runs, so it isn't a guarantee for other lots.

Identity confirmed (mass spec) Pass

Purity ≥ 98% (HPLC)99.86% Pass

Endotoxin screen Not tested

Heavy metals (ICP-MS) Not tested

Source

Sentinel (US)

Size

50mg × 10 vials

Manufacturer lot

Blue/Silver

Testing facility

Freedom Diagnostics

Test date

Aug 25, 2026

This result covers lot “Blue/Silver” only. Vendors ship thousands of kits and restock continuously, so there's no guarantee your order will come from the tested lot.

Buy this item

GHK-Cu (Copper Peptide) · 50mg × 10 vials

from Sentinel (US)

$83.00

$8.30/vial · $0.17/mg

Ships from US · 2–5 daysDelivers to US only

Quantity

Download COA (PDF) Verify on Freedom Diagnostics (Pept2608190648)View product & full test history Share this result on X

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This result is shareable — anyone with this link can see this third-party lab result. Results reflect the lab's analysis of the sample tested from manufacturer lot “Blue/Silver”, and cover that lot only.