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Heavy Metals in Protein Powders: Exposure Risks, Testing Standards, and Clinical Guidance
Protein powders are a convenient way for many people to meet daily protein needs, especially for those with high activity levels, low appetite, limited time, or therapeutic diets. With rising use, questions about quality and safety have also grown.
Independent testing and quality reviews have revealed that some powders contain trace amounts of heavy metals, such as lead, cadmium, arsenic, and mercury. Detection doesn’t always indicate clinical harm. Risk depends on exposure level, frequency, and individual factors.
