Collagen supplements have moved from niche wellness shelves to mainstream grocery store aisles, promising smoother skin, stronger joints, and healthier hair. The marketing is confident, but the underlying research tells a more nuanced story, with som...

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Collagen supplements have moved from niche wellness shelves to mainstream grocery store aisles, promising smoother skin, stronger joints, and healthier hair. The marketing is confident, but the underlying research tells a more nuanced story, with som...