COA Library

Laboratory-verified identity and purity reports. All peptides are supplier-tested; select batches independently confirmed by third-party HPLC. Average 99.6% purity across the catalog.

Janoshik test report certificates fanned out

Janoshik Verified

Laboratory-Verified Purity

All peptides undergo rigorous laboratory testing for identity and purity — verified by our supplier and independently confirmed by third-party labs when required. Average 99.6% purity across the catalog.

HPLC Verified99%+ PurityJanoshik Analytical

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