We live in an era obsessed with protein. It’s not just about eating steak and eggs for breakfast anymore; they’re selling ludicrous snacks like protein potato chips and protein cereal, stuff that has you wondering what was wrong with an old fashioned bar. Your gym probably has a little kiosk selling them in the hopes you snag a protein goodie before you head out the door.

And of course, you’re slamming down protein shakes — a longtime staple of many athletes’ diets that have skyrocketed in popularity with ordinary consumers in recent years amid shifting health fads.

But these dietary supplements have an extraordinarily dirty secret. A new analysis from the watchdog group Consumer Reports found many popular protein powders contain unsafe levels of lead — with over two-thirds of the 23 pro

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