https://heavymetalcertified.com/comparePublished revisions of this Heavy Metal Certified page.https://heavymetalcertified.com/comparehttps://heavymetalcertified.com/compare#revision-c00e22d85384b6a7Mon, 21 Sep 2026 04:04:58 GMTHow heavy-metal certifications compare on coverage. HMTc sets a published limit for all eight priority metals, a ten-analyte panel, across consumer packaged goods, where conventional four-metal marks screen the big four and NSF/ANSI 173 reaches five. A substantiated, side-by-side comparison of Clean Label Project, USP Verified, NSF/ANSI 173, Informed Sport, Low Heavy Metals Verified, and the pharmaceutical ICH Q3D standard.