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Will a high-protein diet harm your health?

Will too much protein damage my kidneys? Cause cancer? Reduce my lifespan? At Precision Nutrition we’re always getting questions (from fitness pros and clients) about the risks of a high-protein diet. In this article we’ll set the record straight and share why protein isn’t the villain it’s made out to be.

Will eating a high-protein diet hurt me?

For years, people have been concerned with the safety of eating too much protein.

Will eating too much protein explode my kidneys?

How about my liver? My left femur?

The most common health concerns of eating more protein are:



  • kidney damage

  • liver damage

  • osteoporosis

  • heart disease

  • cancer

Let’s explore these.

Claim: High protein causes kidney damage.