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New Investigation Finds That Certain Protein Powders Contain Unsafe Levels of Lead

More than two-thirds of tested U.S. protein powders exceed safe lead levels per serving, with some also containing harmful cadmium and inorganic arsenic, Consumer Reports found.

  • Consumer Reports found that certain plant-based protein powders contained unsafe levels of lead.
  • The Naked Nutritions Vegan Mass Gainer protein powder had the highest lead level at 7.7 micrograms per serving.
  • Experts advised choosing supplements from companies with third-party quality certification and avoiding products with high lead levels, especially for pregnant women and children.
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consumerreports.org broke the news in Yonkers, United States on Tuesday, October 14, 2025.
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