✓ Purity · passBatch · POL-R5-4Shop-provided sample
Retatrutide × polarispeptides.com — 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
99.64%
✓ Excellent purity only
Independently confirmed on the lab’s portal✓ Extra check
COA #101789 matches Janoshik Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.
Lookup code
X19DTZEPIUE6Look it up on Janoshik Labs ↗Checked Jan 26, 2026
Test results
6 data points
Purity
99.64%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
5 mg
Tested qty
5.6 mg
Qty match
112% of labeled · +12%
0label125%
Batch / Lot
POL-R5-4
COA number
#101789
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 polarispeptides.com, performed by Janoshik Labs on January 26, 2026. Reported purity: 99.64%. Net content: 5.6 mg against 5 mg labeled (112% of label). Tested content exceeds the labeled amount by 12%. Batch POL-R5-4. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
Original document
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