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evidence · mechanism · dose
Supplements/Compound

UC-II Undenatured Type II Collagen

Oral tolerance for joint health.

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Overview

Oral tolerance for joint health.

Natural sources
  • Endogenously produced or biosynthesized molecule
  • Standardized pharmaceutical- or food-grade supplement
  • Combined with cofactors that improve absorption or activity
Common forms
  • Capsule or softgel
  • Powder
  • Sublingual or buccal
  • Liposomal liquid

Mechanism of action

Induces oral tolerance to type II collagen.

Pathways
  • · Induces oral tolerance to type II collagen

Effects on the body

Decreases
OA pain

Organ system effects

Evidence-based benefits

Reduces OA pain

Moderate evidence

Potential side effects

Common
  • · GI upset
Rare
    Serious

      Drug interactions

      Prescription medications (general)
      Always disclose UC-II Undenatured Type II Collagen use to your prescriber — additive, antagonistic, or pharmacokinetic interactions are possible.
      minor

      Supplement interactions

      Pairs well with
      • A high-quality multivitamin
        Covers micronutrient cofactors that support most supplement pathways.
      • Omega-3 (EPA/DHA)
        Foundational anti-inflammatory support that complements most regimens.
      Avoid combining with

      No specific avoidances listed.

      Dosing & bioavailability

      Typical dose
      40 mg
      Best form
      Most evidence is based on the capsule or softgel form.
      Timing
      Consistent daily timing recommended; split larger doses if GI tolerance is a concern.
      With food?
      With a meal containing fat for fat-soluble compounds; otherwise either.

      Where to buy

      Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.

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      Scientific evidence8Show studies
      RCTNutr J · 2016

      UC-II for OA

      Lugo JP, et al.

      191 OA patients

      Key findings

      Reduced WOMAC score vs glucosamine+chondroitin.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: UC-II Undenatured Type II Collagen — Reduces OA pain

      Live PubMed search

      Live results for "UC-II Undenatured Type II Collagen Reduces OA pain" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching UC-II Undenatured Type II Collagen and "Reduces OA pain". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: UC-II Undenatured Type II Collagen — randomized controlled trial

      Live PubMed search

      Live results for "UC-II Undenatured Type II Collagen randomized controlled trial" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching UC-II Undenatured Type II Collagen and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: UC-II Undenatured Type II Collagen — meta-analysis

      Live PubMed search

      Live results for "UC-II Undenatured Type II Collagen meta-analysis" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching UC-II Undenatured Type II Collagen and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: UC-II Undenatured Type II Collagen — pharmacokinetics

      Live PubMed search

      Live results for "UC-II Undenatured Type II Collagen pharmacokinetics" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching UC-II Undenatured Type II Collagen and "pharmacokinetics". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: UC-II Undenatured Type II Collagen — safety adverse events

      Live PubMed search

      Live results for "UC-II Undenatured Type II Collagen safety adverse events" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching UC-II Undenatured Type II Collagen and "safety adverse events". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewPubMed (NLM) · 1970

      PubMed: UC-II Undenatured Type II Collagen — dose response

      Live PubMed search

      Live results for "UC-II Undenatured Type II Collagen dose response" across the PubMed/MEDLINE peer-reviewed index.

      Key findings

      Opens current human and preclinical literature matching UC-II Undenatured Type II Collagen and "dose response". Filter by RCT, meta-analysis, or year on the results page.

      Open study
      Systematic reviewGoogle Scholar · 1970

      Google Scholar: UC-II Undenatured Type II Collagen — clinical evidence

      Live Scholar search

      Cross-database citation index for UC-II Undenatured Type II Collagen as it relates to "clinical evidence".

      Key findings

      Includes preprints, theses, and journal articles. Useful for tracking citation counts and follow-on work.

      Open study
      Educational use only. This profile is not medical advice. Consult a qualified healthcare professional before starting any supplement, especially if you take prescription medication or have a chronic condition.

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