https://heavymetalcertified.com/articles/se-hg-molar-ratio-certification-debatePublished revisions of this Heavy Metal Certified page.https://heavymetalcertified.com/articles/se-hg-molar-ratio-certification-debatehttps://heavymetalcertified.com/articles/se-hg-molar-ratio-certification-debate#revision-4276bfb9fee3b651Mon, 21 Sep 2026 04:04:58 GMTSelenium is proposed as grounds to raise methylmercury limits on selenium-rich fish like tuna, but the protective claim is unvalidated and contested.