Quality & Certificates of Analysis (COAs)

Every batch undergoes analytical verification to confirm identity, purity, and consistency. Certificates of Analysis (COAs) provide transparent, batch-specific laboratory documentation.

Our 99%+ Purity Standard

Every batch is independently tested for identity and purity and is held to a 99%+ purity specification, unless otherwise stated on the applicable Certificate of Analysis (COA).

Many tested batches have achieved purity results above 99.5%.

If qualified independent third-party testing shows a product does not meet its stated purity specification, we will provide a full refund for the affected product and reimburse reasonable third-party laboratory testing costs.


We stand behind every batch we offer.

Find Your Certificate of Analysis

Search by product or browse by research category to view available batch-specific Certificates of Analysis.

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For Research Use Only. Products offered by IZA Biosciences are intended exclusively for laboratory and research purposes. They are not intended for human or veterinary use, consumption, diagnosis, treatment, cure, or prevention of any disease. Purchasers are responsible for ensuring that all products are handled and used in accordance with applicable laws, regulations, and institutional requirements.