What heavy metal testing is — page updateshttps://heavymetalcertified.com/heavy-metal-testingPublished revisions of this Heavy Metal Certified page.What heavy metal testing ishttps://heavymetalcertified.com/heavy-metal-testinghttps://heavymetalcertified.com/heavy-metal-testing#revision-22215de315ecd925Fri, 02 Oct 2026 21:00:41 GMTHeavy metal testing measures lead, cadmium, arsenic, mercury and four less-screened metals in a product at an accredited laboratory. What the numbers mean, and how certification turns a test into a checkable claim.