Research-grade reagents.
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Janoshik verified · 99% minimum purity · Research use only

Best selling research peptides

Products are intended strictly for laboratory research purposes and are not approved for human or veterinary use.

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Quality assurance and transparency

Certificate of Analysis

Janoshik verified

Every batch is independently analysed by Janoshik Analytical Laboratory, Czech Republic. Results are published publicly at public.janoshik.com — searchable by batch number, no account required.

99% minimum purity

All products are tested to a minimum 99% purity threshold. Any batch that fails to meet this standard is replaced — not sold.

lyophilised for stability

All reagents are supplied as freeze-dried powder, maintaining molecular integrity during transit and extending shelf life under correct storage conditions.

research use only

All products are supplied strictly for in vitro laboratory and scientific research purposes. Not intended for human or veterinary use, consumption, or any clinical application.

Every batch. Public record.

All results published on the Janoshik database — searchable by batch code, no account required.

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