The French manufacturer Valrhona has been around for a century, and they also produce chocolates in the "safe" category.
Despite scoring higher on the cadmium scale, the "powerful & tannic" 85% Cacao dark chocolate bar had the highest lead levels of all the "safer choices" in the survey.
You may purchase it at gourmet grocery stores and chocolate shops.
Both heavy metals were well within acceptable ranges, with the highest cadmium content being found in the Ghirardelli Twilight Delight bar.
Unsweetened chocolate, sugar, cocoa butter, vanilla extract, and soy lecithin make up the 72% Cacao bar, which the company describes as "intensely wonderful."
The research showed that among the "safer options," its Intense Dark 86% Cacao bar had the third-lowest amounts of lead and cadmium.
Taza pioneered the development of an independently verified Direct Trade sourcing scheme for the American chocolate industry.
The chocolate bar is a combination of cocoa beans and cocoa butter, and the company's website describes it as having a "bold mix of sweet and bitter."
You may find Mast's 80% Cacao bar at places like Wegmans and Whole Foods.