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Purity · passBatch · RT0030Shop-provided sample

Retatrutide × Vertex Labs — Lab Test, March 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
99.898%
Excellent purity only
↓ Download COA
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.

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Test results

6 data points
Purity
99.898%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
20 mg
Tested qty
23.96 mg
Qty match
120% of labeled · +20%
0label125%
Batch / Lot
RT0030
Tested by
BTLabsView 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 vertexpeptideslab.org, performed by BTLabs on March 26, 2026. Reported purity: 99.898%. Net content: 23.96 mg against 20 mg labeled (120% of label). Tested content exceeds the labeled amount by 20%. Batch RT0030. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC with UV detection and mass spectrometry certificate of analysis for Retatrutide (GLP-3 RT) 20mg from Vertex Labs showing 99.898% purity
Issued by BTLabs · Mar 26, 2026 · Batch RT0030

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The 1024 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.90%.

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