LN Peptides -- Lab Test Results

Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by LN Peptides.

36
CoAs on file
98.08%
Avg reported purity
5
Compounds tested
Jun 14, 2026
Latest test

Results by compound

CompoundCoAsAvg purityLatest
Tirzepatide1499.71%Apr 27, 2026
Retatrutide1099.79%Jun 3, 2026
Tesamorelin991.67%Jun 14, 2026
Ipamorelin299.84%Jan 25, 2026
Mazdutide199.69%Oct 8, 2025

Recent CoAs

CompoundBatchPurityLabTested
Tesamorelin----Lab EJun 14, 2026verify
Retatrutide--99.7%Lab GJun 3, 2026verify
Retatrutide--99.9%Lab EMay 31, 2026verify
Retatrutide--99.9%Lab EMay 12, 2026verify
Tirzepatide--99.5%Lab EApr 27, 2026verify
Tesamorelin--99.9%Lab EMar 5, 2026verify
Tesamorelin--99.9%Lab EMar 5, 2026verify
Tesamorelin--98.47%Lab EMar 1, 2026verify
Tesamorelin--98.88%Lab EFeb 25, 2026verify
Tesamorelin--99.72%Lab EFeb 25, 2026verify
Tirzepatide--99.73%Lab EFeb 19, 2026verify
Retatrutide--99.7%Lab GFeb 19, 2026verify
Tirzepatide--99.8%Lab EFeb 17, 2026verify
Tirzepatide--99.8%Lab GFeb 14, 2026verify
Retatrutide--99.8%Lab GFeb 14, 2026verify
Retatrutide--99.9%Lab EFeb 10, 2026verify
Ipamorelin--99.9%Lab EJan 25, 2026verify
Tirzepatide--99.95%Lab EJan 18, 2026verify
Tirzepatide--99.8%Lab GJan 14, 2026verify
Retatrutide--99.8%Lab GJan 14, 2026verify
Tirzepatide--99.8%Lab GJan 14, 2026verify
Retatrutide--99.8%Lab GJan 14, 2026verify
Tirzepatide--99.6%Lab EDec 29, 2025verify
Tirzepatide--99.82%Lab EDec 16, 2025verify
Tirzepatide--99.74%Lab EDec 16, 2025verify

Showing 25 most recent of 36. Search the full database on the CoA page.

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Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.