Lead and cadmium contamination in dark chocolate products is concerning; 43% exceed Prop. 65 for lead, and 35% for cadmium.
Organic dark chocolate has higher metal contamination. Despite potential harm, levels are not alarming for consumers according to expert Brian Pavilonis.
Lead is naturally present in soil where cocoa beans grow, hence appearing in dark chocolate products. Efforts have reduced lead exposure from various sources like gasoline and paint.
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