✓ Purity · passShop-provided sample
Retatrutide × Penguin Peptides — Lab Test, January 2026
Tested · submitted by @Frank 👑 Legend
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
99.465%
✓ Excellent purity only
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
4 data points
Purity
99.465%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.56 mg
Qty match
111% of labeled · +11%
0label125%
Batch / Lot
N/A
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
Independent HPLC purity analysis of Retatrutide from Penguin Peptides on January 20, 2026. Reported purity: 99.465%. Net content: 5.56 mg against 5 mg labeled (111% of label). Tested content exceeds the labeled amount by 11%. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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