Heavy Metals in Food
Heavy metals like arsenic, cadmium, and lead are naturally found in the soil, but the widespread use of leaded gasoline, lead-based pesticides, and other manufacturing processes have contributed to higher levels in products that are farmed and fished, and even your tap water. That’s why for decades CR has tested a wide variety of foods, drinks, and supplements for heavy metals: So you can choose products with lower levels and help keep your family safe.
October 21, 2025
Protein Powders and Shakes Contain High Levels of Lead
Protein supplements are wildly popular, but CR’s tests of 23 products found that more than two-thirds of them contain more lead in a single serving than our experts say is safe to have in a day.
Lead and Cadmium Could Be in Your Dark Chocolate
Your Herbs and Spices Might Contain Arsenic, Cadmium, and Lead
Hidden Dangers in Our Food Supply
Baby Formulas & Kids' Foods
