Nuscience Peptides: Lab Test Results

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

50
CoAs on file
97.89%
Avg reported purity
10
Compounds tested
Sep 24, 2026
Latest test

Results by compound

CompoundCoAsAvg purityLatest
Semaglutide1499.02%Sep 10, 2025
Retatrutide897.47%Feb 13, 2026
Tirzepatide899.59%Sep 24, 2026
Melanotan II798.78%May 8, 2026
CJC-1295 DAC386.69%May 5, 2025
Mazdutide294.55%May 6, 2025
GHK-Cu299.97%May 6, 2025
BPC-157299.49%May 6, 2025
Ipamorelin298.88%May 7, 2025
PT-141297.15%May 7, 2025

Recent CoAs

CompoundBatchPurityLabTested
Tirzepatide00256 01/202899.9%Lab ESep 24, 2026verify
Tirzepatide00256 01/202899.9%Lab EAug 26, 2026verify
Melanotan II00025699.9%Lab GMay 8, 2026verify
Retatrutide09202599.9%Lab EFeb 13, 2026verify
Tirzepatide009182599.95%Lab EJan 15, 2026verify
Semaglutide0025699.88%Lab ESep 10, 2025verify
Tirzepatide00025699.95%Lab ESep 10, 2025verify
Semaglutide00017699.94%Lab ESep 10, 2025verify
Tirzepatide00025699.89%Lab ESep 10, 2025verify
Tirzepatide0025699%Lab EAug 31, 2025verify
Retatrutide00256100%Lab GJul 23, 2025verify
Retatrutide0025699.089%Lab DMay 21, 2025verify
Melanotan II0025699.107%Lab DMay 21, 2025verify
Melanotan II0025699.254%Lab DMay 21, 2025verify
Retatrutide0025699.114%Lab DMay 21, 2025verify
Semaglutide0025699.86%Lab EMay 16, 2025verify
Semaglutide0025699.86%Lab EMay 16, 2025verify
Semaglutide004225100%Lab EMay 7, 2025verify
Tirzepatide0026999.08%Lab EMay 7, 2025verify
Semaglutide00256100%Lab EMay 7, 2025verify
Semaglutide00256100%Lab EMay 7, 2025verify
Semaglutide004225100%Lab EMay 7, 2025verify
Tirzepatide0026999.04%Lab EMay 7, 2025verify
Ipamorelin0025699.02%Lab EMay 7, 2025verify
PT-1410025697.032%Lab AMay 7, 2025verify

Showing 25 most recent of 50. 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.