Collagen seems to be everywhere right now — in pills, creams, and powders. It’s a nearly $2 billion industry and only expected to get bigger.

You’ve likely seen claims that collagen supplements will make you look younger and improve your joint health. This is because collagen’s primary function is to strengthen the connective tissue of joints, ligaments, bones, and skin. And as we get older, collagen begins to unravel and decrease. 

But what does the research say about taking collagen supplements? Dr. Mary Pardee explains her perspective, including a form of collagen that she does not recommend!

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