Heavy-metal controls for supplements — page updateshttps://heavymetalcertified.com/requirements/supplements-heavy-metalsPublished revisions of this Heavy Metal Certified page.Heavy-metal controls for supplementshttps://heavymetalcertified.com/requirements/supplements-heavy-metalshttps://heavymetalcertified.com/requirements/supplements-heavy-metals#revision-5cf7c79228ab31e3Fri, 02 Oct 2026 21:36:42 GMTThe heavy-metal landscape for dietary supplements: no federal numeric limit specific to supplements, the USP General Chapter <2232> consensus standard for arsenic, cadmium, lead, and mercury, and California Proposition 65 as the dominant enforcement driver. How Heavy Metal Tested & Certified helps a supplement brand turn testing into an independently verified claim, without replacing any legal obligation.