SupppediaFind. Compare. Understand.

Home / Ingredient Guides / UC-II / Undenatured Type II Collagen

Ingredient Guide

UC-II / Undenatured Type II Collagen

People comparing low-dose undenatured type II collagen for knee osteoarthritis or activity-related joint discomfort.

CollagenCompare by label detailsSafety context matters
Educational ingredient guideLabels can changeCheck dose and formNot medical advice

Compare first

  • Undenatured type II collagen vs hydrolyzed collagen peptides
  • 40 mg daily UC-II-style dosing vs gram-level collagen peptides
  • Chicken cartilage source, exact branded ingredient, and allergy or preference fit

Watch out

  • UC-II evidence is promising but still developing; many studies are product-specific or limited in duration.
  • Do not use UC-II as proof that cartilage is being repaired.
  • Chicken source, allergy or dietary preference, pregnancy or breastfeeding, and medication context should be checked.

Label traps

  • UC-II is not the same category as collagen peptides.
  • A collagen label may sound joint-focused while using a different collagen form.
  • Low milligram dosing only makes sense if it is undenatured type II collagen, not ordinary collagen protein.

Evidence and source context

A randomized knee osteoarthritis trial studied 40 mg UC-II daily for 180 days and reported improvements in WOMAC outcomes versus placebo; later reviews describe the evidence as promising while calling for larger and longer trials.

Read source