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A 2023 consumer reports study found elevated levels of lead or cadmium in a third of dark chocolate — but new research found metals in fewer than 3% of samples.
Researchers analyzed 72 cocoa-based foods — including dark chocolate, often praised as a heart-healthy treat — over eight years. They found that 43% of the products contained an amount of lead ...
Dark chocolate had higher amounts of lead and calcium than some of the FDA's most contaminated foods, one expert said. - Gabi Musat/500px/Getty Images/File. Lead and cadmium found, but no arsenic.
While the FDA does not set limits for cadmium or arsenic, almost all of the chocolate bars in the study were below its recommended level for lead: 2.2 mcg a day for children under age 7 and 8.8 ...
For example, 0.4 oz (11 g) of baker's chocolate would be enough to produce mild symptoms in a 20 lb (9.1 kg) dog, while a 25% cacao chocolate bar (like milk chocolate) would be only 25% as toxic as the same dose of baker's chocolate. [15] One ounce of milk chocolate per pound of body weight (63 g/kg) is a potentially lethal dose in dogs. [14]
From 2014 to 2022, researchers bought 72 popular cocoa products — predominantly pure dark chocolate bars, but also cocoa powder — from Amazon.com, Whole Foods, GNC and other retailers in the U.S.
How much cocoa might lead to dangerous exposure to toxic metals? While these results appear concerning, researchers found that over 97% of products were below the FDA interim reference level for lead.
Wednesday's study followed Consumer Reports' findings last December that 23 of 28 tested dark chocolate bars contained excessive lead or cadmium, including Hershey products sold under its own ...