HomeLab Tests BetterBio Synthesis, Retatrutide
Purity · passBatch · R12N091825Shop-provided sample

Retatrutide × BetterBio Synthesis — Lab Test, October 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
99.639%
Excellent purity only
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Test results

6 data points
Purity
99.639%
Endotoxins
Not tested
Heavy metals
Not tested
Stated qty
13 mg
Tested qty
13.54 mg
Qty match
104% of labeled · +4%
0label125%
Batch / Lot
R12N091825
Tested by

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 betterbiosynthesis.com, performed by freedomdiagnosticstesting.com on October 3, 2025. Reported purity: 99.639%. Net content: 13.54 mg against 13 mg labeled (104% of label). Batch R12N091825. Sample source: shop-provided. Certificate of analysis attached.

Certificate of analysis

Original document
HPLC certificate of analysis for Retatrutide 13mg from BetterBio Synthesis showing 99.639% purity
Issued by freedomdiagnosticstesting.com · Oct 03, 2025 · Batch R12N091825

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The 1066 other Retatrutide tests on Peptigrity range from 64.06% to 100.00%. This one sits at 99.64%.

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