A Certificate of Analysis (COA) is a document issued by a third-party laboratory that verifies the purity, potency, and quality of a particular product. It provides detailed information on the product’s chemical composition, including the levels of CBD, THC, and other cannabinoids and contaminants such as heavy metals and pesticides. COA is a crucial document for CBD, hemp products, and cannabis-related food because it provides consumers and regulatory agencies with evidence of the product’s safety and quality.