Lisa Jarvis, Columnist

Your Protein Powder Isn’t Poisoning You

October 23, 2025 at 12:00 PM UTC

Lisa Jarvis is a Bloomberg Opinion columnist covering biotech, health care and the pharmaceutical industry. Previously, she was executive editor of Chemical & Engineering News.

Safe in reasonable amounts but you probably don’t need it.
Photographer: magnez2/iStockphoto

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Don’t toss out your protein powder just yet.

A recent report about lead levels in protein supplements sparked unnecessary alarm about a product that an increasing number of Americans are using to meet their fitness and nutrition goals.