If you start your day with a protein shake, youre not alone. But a new Consumer Reports investigation finds that many popular protein powders and shakes pack much more than protein, with some containing troubling levels of toxic heavy metals, including lead and, cadmium.

Investigators with Consumer Reports tested 23 of the nations top-selling products, from vegan blends to whey-based shakes. More than two-thirds of the products had more lead in a single serving than experts say is safe to consume in an entire day. This study is a follow-up to an investigation first conducted 15 years ago.

I contacted the investigative reporter working on this story for Consumer Reports, and she said the contamination concerns are even greater today.

"We were really surprised to learn that not only has t

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