Top Peptide -- Lab Test Results

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

38
CoAs on file
99.71%
Avg reported purity
4
Compounds tested
Jun 21, 2026
Latest test

Results by compound

CompoundCoAsAvg purityLatest
Tirzepatide1899.6%Jun 11, 2026
Retatrutide1199.8%Jun 21, 2026
GHK-Cu599.86%Apr 22, 2026
BPC-157499.73%May 12, 2026

Recent CoAs

CompoundBatchPurityLabTested
Retatrutide--99.9%Lab EJun 21, 2026verify
Retatrutide--99.9%Lab EJun 15, 2026verify
Retatrutide--99.7%Lab GJun 11, 2026verify
Tirzepatide--99.6%Lab GJun 11, 2026verify
BPC-157--99.9%Lab EMay 12, 2026verify
Tirzepatide--99.9%Lab EApr 27, 2026verify
GHK-Cu--99.9%Lab EApr 22, 2026verify
Tirzepatide--99.9%Lab EApr 22, 2026verify
Retatrutide--99.7%Lab GMar 19, 2026verify
BPC-157--99.4%Lab GMar 19, 2026verify
Retatrutide--99.9%Lab EMar 17, 2026verify
BPC-157--99.9%Lab EMar 17, 2026verify
Tirzepatide--99.9%Lab GMar 3, 2026verify
GHK-Cu--99.9%Lab EFeb 21, 2026verify
Tirzepatide--99.77%Lab EFeb 19, 2026verify
Tirzepatide--99.8%Lab EFeb 19, 2026verify
Tirzepatide--99.77%Lab EFeb 10, 2026verify
Retatrutide--99.8%Lab GJan 21, 2026verify
BPC-157--99.7%Lab GJan 21, 2026verify
Tirzepatide--99.73%Lab EJan 18, 2026verify
GHK-Cu--99.95%Lab EJan 18, 2026verify
Retatrutide--99.95%Lab EJan 18, 2026verify
GHK-Cu--99.95%Lab EJan 18, 2026verify
Retatrutide--99.7%Lab GJan 6, 2026verify
Tirzepatide--99.8%Lab GJan 6, 2026verify

Showing 25 most recent of 38. 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.