Credit: Erhan Inga/Shutterstock. Nearly half of the protein powders on the US market exceed Californian safety limits for toxic metals, according to a new report from the Clean Label Project.

Not the buns of steel you're looking for — a new reports shows dangerous levels of heavy metals like lead in popular protein powders. California fires burn through historic Los Angeles landmarks ...

Protein powder samples were then sent to an independent certified laboratory, which ran nearly 36,000 individual tests on 258 different contaminants, including heavy metals, bisphenols ...

Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States Macromolecular Science and Engineering Program, University of Michigan, Ann Arbor ...

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