Should you take collagen? Will it help your skin, joints and gut health? These are questions many women are asking as collagen supplements pop up on store shelves everywhere. But where there is hype, there isn't always data to support it. 

Today's guest -- Marie Spano -- clears the air on what we do and don't know about collagen as a daily supplement, including what benefits are real, believed, or simply anecdotal.

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