fromwww.npr.org
4 days agoCan collagen supplements improve your skin? Here's what the research shows
"I'm in my 40s and if I shave, I look like I'm in my mid-20s," a Tiktok creator who goes by Shop By Jake claims in one paid promotion. "People ask me all the time, what do you do for your skin? I take collagen," he says.
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