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Purity · passBatch · GLP310-051926-LISShop-provided sample

Retatrutide × studzpeptides.com — Lab Test, May 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
99.727%
Excellent purity only
↓ Download COA
Independently confirmed on the lab’s portal✓ Extra check

COA KVR-2026-10B6FA matches Kovera Labs's public record. So this test doesn't rest on our review alone — the lab confirms it too.

Lookup codeVHZ81KU
Look it up on Kovera Labs ↗Checked May 28, 2026

Test results

8 data points
Purity
99.727%
Endotoxins
<0.5 EU/mL
Heavy metals
Not tested
Stated qty
10 mg
Tested qty
11.64 mg
Qty match
116% of labeled · +16%
0label125%
Batch / Lot
GLP310-051926-LIS
COA number
KVR-2026-10B6FA
Container
Transparent blue cap / Silver crimp / Lyophilized powder
Tested by
Kovera 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 studzpeptides.com, performed by Kovera Labs on May 28, 2026. Reported purity: 99.727%. Net content: 11.64 mg against 10 mg labeled (116% of label). Tested content exceeds the labeled amount by 16%. Endotoxins: <0.5 EU/mL. Batch GLP310-051926-LIS. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
Certificate of analysis for Retatrutide from studzpeptides.com, issued by Kovera Labs
Issued by Kovera Labs · May 28, 2026 · Batch GLP310-051926-LIS

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8 tests

The 1024 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.73%.

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