A COA, or certificate of analysis, is a lab report that may show cannabinoid levels and screening results for a product batch.
Quick definition
A COA, or certificate of analysis, is a lab report that may show cannabinoid levels and screening results for a product batch.
Why COA matters when comparing products
A COA gives shoppers another signal beyond marketing copy. It can help compare label claims, cannabinoid content, and whether testing appears current.
Where shoppers usually see this term
You may see COAs linked from product pages, QR codes, brand testing pages, packaging, or customer support documents.
What to check before buying or browsing
Check batch number, test date, lab name, cannabinoid panel, THC result, and whether the report matches the exact product.
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