Purity and assay
Common GLP-1 peptide blind test
Retatrutide 20.92 mg with 99.741% purity.
Every published COA entry in this archive is batch-linked to an independent Janoshik Analytical report and reflects a documentation-first testing standard that goes beyond purity alone. The current archive includes the ProPeptide Retatrutide 20mg pen batch with published purity, assay, heavy metals, and TFA reports, plus the previously published Retatrutide 30mg batch certificate. Use the lookup below or jump straight into a published batch card. For international buyers sourcing raw powder under the same documentation-first standard, see the wholesale page.
Batch Lookup
Verified
Batch RET-20-V-2604-001
Independent Janoshik Analytical reports are published for this ProPeptide Retatrutide 20mg batch across purity and assay, heavy metals, and TFA analysis.
Product
ProPeptide Retatrutide 20mg Pen
Batch
RET-20-V-2604-001
Laboratory
Purity (HPLC)
99.741%
Assay
20.92 mg retatrutide
Latest analysis
22 Apr 2026
- Heavy metals not detected: As, Cd, Pb, and Hg
- TFA not detected
- Sample received 15 Apr 2026
Where to go next
B2B Supply
Need documented peptide powder at volume?
Every wholesale batch ships with the same Janoshik-verified COA documentation. Quote-based pricing for qualified B2B buyers in EU, US, Brazil, and 40+ markets.
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