Retatrutide × Peak Peptides — Lab Test, April 2026
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.
What portal verification means →Test results
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 GLP3-R from peakpeptides.shop, performed by Analytical Formulations Inc on April 12, 2026. Reported purity: 99.7%. Net content: 18.99 mg against 15 mg labeled (127% of label). Tested content exceeds the labeled amount by 27%. Batch GLP3-15-0426. Sample source: shop-provided. Certificate of analysis attached.
Certificate of analysis
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