Do Gelatin or Collagen Supplements Help Bones and Joints? Two Placebo-Controlled Trials Found Small Gains in Bone Density and Modest Joint-Pain Relief; Gelatin Itself Was Not Tested

Oct 25

3 min read

Collagen is the main protein in tendon, ligament, cartilage and bone, so supplementing it to support those tissues has intuitive appeal. Whether swallowed collagen actually reaches and changes those tissues is a separate question. Two placebo-controlled trials tested outcomes people care about: bone density in older women and joint pain in athletes.

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