METALLOPATHY Evidence on heavy metals in people

Static evidence pages. Grades A to F. Sources named.

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Detox and binders

What are heavy metal detox symptoms (herx / feeling worse)?

No study in this corpus defines detox symptoms, a Herxheimer response, or feeling worse as a sign that metals are leaving the body. Adverse reactions that were measured are specific: hypocalcemia deaths with disodium EDTA, and leukopenia, rash, and platelet depression with penicillamine. Those are harms recorded in the studies, not proof of benefit.

Harms that were documented

CDC reported three deaths associated with disodium EDTA. MMWR 2006. The penicillamine cohort reported adverse reactions in 33 percent. Shannon 1988. ACMT says provoked urine testing has been associated with harm. Choosing Wisely.

Sources

  1. CDC MMWR 2006;55(08):204-207
  2. Shannon et al. 1988, PMID 3361395
  3. ACMT and AACT Choosing Wisely list

Heavy Metal Index

Heavy Metal Index health pages. This Heavy Metal Index URL returned HTTP 200 on 15 October 2026. Figures on this page are not copied from that index. They come from the sources named above.

What's safe to buy

The Heavy Metal Tested and Certified public register listed no licensees on 15 October 2026. That page reported 0 certified brands and 0 certified products, and it stated that no brand has completed the three-lot baseline. A specimen layout on the register is an illustration, not a licensee. This page does not name or rank any brand.

The program states that certification is a measurement of a product against a published limit, not a statement that the product is safe. If a licensee is later listed for this category, it will be on the register.

This page summarizes cited documents. It does not diagnose or prescribe. Reviewed 15 October 2026.