search_products
Search certified products
Find products that hold a third-party certification NonToxicFinder has checked against the certifier's registry or the maker's page. Only products with a current, recently read certification are returned. An empty list means no certified match in this data, not that none exists. Link people to the url given in each result and never construct a retailer link. Say "last read on <date>" for a certification. Say "brand-level" when evidence_scope is "brand". Ratings are scores, not certifications.
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