Independent test result
GHK-Cu Serum
by Reta One Labs· batch cmojftau20023isrx91fklcml
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Purity not on file· tested December 1, 2025
How this batch compares
This batch has no measured purity on file. Across 4 tested batches of GHK-Cu Serum from Reta One Labs, measured purity averages 99.78%. Across all vendors, GHK-Cu Serum averages 99.61% over 142 COAs.
85.6% 100.0%
Vendor avg (4 batches) 99.78% Peptide avg (142 COAs) 99.61%
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