METALLOPATHY Evidence on heavy metals in people

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

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Chocolate and cocoa

Is cadmium in chocolate/sunflower seeds a concern?

No verified cadmium concentration for chocolate or sunflower seeds is in the saved sources, so this page does not say whether either food exceeds a limit. EFSA's tolerable weekly intake is 2.5 µg/kg body weight, based on urinary cadmium of 1 µg/g creatinine. That is a body-burden value, not a measurement of these foods.

What is not available

Food occurrence numbers for chocolate and sunflower seeds were not verified.

Related evidence, where it exists, is on the linked pages. Those pages do not fill this gap.

Related pages

Sources

  1. EFSA 2009 cadmium opinion, doi:10.2903/j.efsa.2009.980
  2. Heavy Metal Index: sunflower seeds

Heavy Metal Index

Heavy Metal Index: sunflower seeds. 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.