✓ Purity · passShop-provided sample
Retatrutide × cernumbiosciences.com — Lab Test, November 2025
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
99.53%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA 86146 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
Q138FHYTMZR5Look it up on Janoshik Labs ↗Checked Nov 3, 2025
Test results
5 data points
Purity
99.53%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
9.74 mg
Qty match
97% of labeled · -3%
0label125%
Batch / Lot
N/A
COA number
86146
Tested by
Janoshik LabsView 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
Independent HPLC purity analysis of Retatrutide from cernumbiosciences.com, performed by Janoshik Labs on November 3, 2025. Reported purity: 99.53%. Net content: 9.74 mg against 10 mg labeled (97% of label). Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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