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From the Journals

Collagen Linked to Skin, Joint Benefits

A large umbrella review of randomized trials found the strongest evidence for improvements in skin elasticity and osteoarthritis symptoms.

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  • 1

    Collagen makes up 25-30% of body proteins and declines with age.

  • 2

    Significant improvements noted in skin elasticity and hydration with collagen.

  • 3

    Collagen supplementation reduces pain in osteoarthritis patients.

  • 4

    Only one of the 16 analyses was rated high quality.

  • 5

    Evidence for cardiometabolic effects of collagen remains inconsistent.

  • 6

    Further long-term studies are recommended.

  • 7

    Collagen contributes to integrative healthy aging.

Original Source(s)

Collagen Linked to Skin, Joint Benefits

  • by Kerri Miller

  • March 23, 2026

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