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Research Brief

UC-II and knee osteoarthritis symptoms

A multicenter trial compared UC-II, glucosamine/chondroitin, and placebo in adults with knee osteoarthritis. The UC-II group showed greater improvement in WOMAC symptom scores than placebo and the glucosamine/chondroitin comparator at 180 days.

Joint HealthUC-II undenatured type II collagenRandomized, double-blind, placebo-controlled trial
Source linkedLimits includedCheck label before buyingNot medical advice

What the study looked at

Topic
Joint Health
Ingredient
UC-II undenatured type II collagen
Study type
Randomized, double-blind, placebo-controlled trial
Published
2016

What it may mean

UC-II is worth comparing separately from ordinary collagen peptides because the studied dose and proposed mechanism are different.

What it does not prove

The study does not prove that every collagen product helps knee pain, and it does not replace evaluation for injury, inflammatory disease, or severe joint symptoms.

What shoppers should check

  • Look for undenatured type II collagen or UC-II, not just collagen peptides.
  • Check the daily dose and whether the product is a joint blend.
  • Review chicken-source allergy context and medication/surgery cautions.