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How do I verify a Certificate of Analysis (COA)?

Verifying the COA for your batch, and why some fields are redacted.

Each product is supplied with a Certificate of Analysis (COA) from an independent laboratory. You can find COAs on the product page, or request the COA for your batch.

Some details on public COAs are redacted to protect supplier and batch information — this is normal.

To confirm the COA for the specific batch you received, email [email protected] with your order number (LAZ####) and we'll help you verify it.

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