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Collagen UC-II®

Category: Joints

Manufacturer:

UC-II Collagen protects against arthritis and more

  • A Type II Collagen Protects Against Arthritis

  • Relieves osteoarthritis pain
  • Relieves joint and muscle pain
  • Relieves exercise-induced joint pain 
  • Supports joint health and improves joint flexibility
  • Restores healthy function in aging joints

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Collagen UC-II®

60 capsules

Item Catalog Number: K0956EN

Original product name: Collagen UC-II®

Collagen UC-II

Collagen UC-II contains a patented form of undenatured type II collagen derived from chicken sternum. UC-II Collagen protects against arthritis as well as relieves osteoarthritis pain. Moreover, this undenatured colagen tpy II may relieve joint and muscle pain and improve joint flexibility. It also relieves exercise-induced joint pain. 

Benefits at a Glance:

  • A Type II Collagen Protects Against Arthritis

  • Relieves osteoarthritis pain
  • Relieves joint and muscle pain
  • Relieves exercise-induced joint pain 
  • Supports joint health and improves joint flexibility
  • Restores healthy function in aging joints

UC-II, rheumatoid arthritis and osteoarthritis

Arthritis afflicts millions if people around the world. Most common types of arthritis are osteoarthritis and rheumatoid arthritis. Osteoarthritis of the knee and hip is a growing health concern and is the most common forms of arthritis.[5,6,7]

Studies have shown that undenatured type II collagen (UC-II) is effective in the treatment of rheumatoid arthritis, and preliminary human and animal trials have shown it to be also effective in treating osteoarthritis.[4]

A randomized, double-blind, placebo-controlled study on UC-II colagen

A group of scientists conducted a randomized, double-blind, placebo-controlled study in healthy volunteers about undenatured type II collagen (UC-II®) for joint support. [1,2]

In a 120-day clinical trial, 55 healthy volunteers who experienced knee pain after a standardized endurance test were randomly assigned to the UC-II group or to the placebo group. The UC-II group received 40 mg of undenatured type II collagen every day for 120 days.[1,2]

Daily supplementation with 40 mg UC-II was well tolerated and didn't caused any adverse effects. A daily dose of 40 mg of UC-II improved knee extension in healthy volunteers. Moreover, UC-II has also shown the potential to prolong pain-free periods of intense exercise and alleviate joint pain that sometimes occurs as a result of such activity. [1,2]

Supplement Facts

Daily dose: 1 capsule

Amount Per Day (1 capsule)

Standardized chicken cartilage /UC-II®/, including:

total type II collagen:

40 mg

10 mg

Ingredients: filling substance: microcrystalline cellulose, standardized chicken sternum cartilage incl. type II collagen, capsule shell: hydroxypropyl methylcellulose


UC-II® is a registered trademark of InterHealth N.I.

Dosage and Use

Take one (1) capsule daily or as recommended by a healthcare practitioner.

Storage: Store in a closed container at room temperature, out of the reach of small children.

Warnings:

Before you start using any dietary supplement, consult your doctor. 

Dietary supplements are not medicines.

Do not exceed the recommended daily dose.

Dietary supplements cannot be used as a substitute for a varied diet.

Do not use in case of hypersensitivity to any ingredient of the preparation.

The product should not be used by pregnant or breastfeeding women and children and adolescents under 18 years of age.

  1. J P Lugo, Z M Saiyed, F C Lau, J P L Molina, M N Pakdaman, A N Shamie & J K Udani "Undenatured type II collagen (UC-II®) for joint support: a randomized, double-blind, placebo-controlled study in healthy volunteers"
  2. https://jissn.biomedcentral.com/articles/10.1186/1550-2783-10-48
  3. https://www.lifeextension.com/magazine/2013/10/novel-mechanism-protects-against-arthritis
  4. D C Crowley,F C. Lau, P Sharma, M Evans, N Guthrie, M Bagchi, D Bagchi, D K. Dey, and S P. Raychaudhuri "Safety and efficacy of undenatured type II collagen in the treatment of osteoarthritis of the knee: a clinical trial"
  5. Braham R, Dawson B, Goodman C. The effect of glucosamine supplementation on people experiencing regular knee pain. Br J Sports Med. 2003;37:4549.
  6. Cote LG. Management of osteoarthritis. J Am Acad Nurse Pract. 2001;13:495–501.
  7. Arthritis Foundation. http://www.arthritis.org/conditions/DiseaseCenter/default.asp.
  8. https://www.lonza.com/uc-ii/-/media/Microsites/UC-II/Documents/UCII_WhitePaper.PDF

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Scientific Sources

What makes UC-II undenatured collagen different from regular collagen supplements?

UC-II represents a fundamentally different approach to collagen supplementation with distinct mechanisms and applications compared to hydrolyzed collagen products. Standard collagen supplements (types I and III) work through nutritional provision—supplying amino acids and peptides as building blocks for tissue synthesis, requiring relatively high doses of 5-15 grams daily. UC-II utilizes undenatured (native structure intact) type II collagen derived from chicken sternum cartilage, working through oral tolerization—an immunological mechanism where the immune system learns to recognize and tolerate its own joint cartilage. This process reduces autoimmune-mediated joint inflammation at remarkably low doses of just 40 mg daily. When undenatured collagen reaches gut-associated lymphoid tissue, it presents epitopes to immune cells, inducing regulatory T-cells that suppress inflammatory responses targeting joint cartilage. Clinical research demonstrates that 40 mg UC-II provides superior joint pain relief and functional improvement compared to 1500 mg glucosamine plus 1200 mg chondroitin—a 40-fold dose advantage through immunological rather than nutritional mechanisms. The two collagen types aren't interchangeable; UC-II specifically targets joint inflammation while hydrolyzed collagens support connective tissue synthesis. Many practitioners recommend both types for comprehensive joint support.

How does UC-II reduce joint pain and improve mobility?

UC-II addresses joint discomfort through immune modulation targeting the underlying inflammatory processes driving osteoarthritis and joint degeneration. In osteoarthritis, the immune system inappropriately attacks cartilage components, creating chronic inflammation that accelerates cartilage breakdown and causes pain. UC-II's undenatured type II collagen, when consumed orally, interacts with gut immune tissue (Peyer's patches) to induce antigen-specific tolerance. This process generates regulatory T-cells that migrate to inflamed joints and suppress the autoimmune attack on cartilage, reducing inflammatory cytokine production and promoting tissue healing. Clinical trials demonstrate impressive results: 40 mg daily UC-II reduces joint pain scores by 30-40% and improves physical function by 20-30% after 90-120 days. Athletes experience reduced exercise-induced joint discomfort, with studies showing 33% decrease in joint pain during activity and 20% improvement in knee extension. The mechanism is cumulative—benefits build progressively as immune tolerance develops. Unlike NSAIDs that merely block pain signals, UC-II addresses causative inflammation while supporting cartilage preservation. Research shows reduced cartilage degradation markers and improved joint comfort during weight-bearing activities, translating to enhanced quality of life and maintained mobility.

Who benefits most from UC-II supplementation?

UC-II demonstrates particular efficacy for several populations experiencing joint-related challenges. Individuals with osteoarthritis of the knee, hip, or hands represent the primary research-validated application, with clinical trials showing significant pain reduction and functional improvements comparable or superior to glucosamine-chondroitin combinations. The immunological mechanism makes UC-II especially valuable for those with inflammatory joint conditions where immune dysregulation contributes to tissue damage. Athletes and active individuals benefit substantially from UC-II's ability to reduce exercise-induced joint stress and accelerate recovery, with research showing reduced post-exercise joint discomfort and improved next-day mobility. This makes it particularly relevant for runners, weightlifters, and aging athletes maintaining intensive training. People seeking preventive joint support also gain value—early intervention with UC-II may slow cartilage degradation before significant damage occurs. Importantly, UC-II works well for individuals who haven't responded adequately to standard joint supplements like glucosamine or MSM, as the immunological mechanism differs from these nutritional approaches. The low 40 mg dose makes UC-II exceptionally practical and cost-effective, removing the pill burden associated with gram-level joint supplement protocols. Combining UC-II with hydrolyzed collagen, omega-3s, and movement therapy provides comprehensive joint support addressing multiple pathways simultaneously.

How long does it take to experience benefits from UC-II?

UC-II's immunological mechanism means benefits develop progressively as oral tolerance establishes and regulatory T-cell populations expand. Clinical research shows variable timelines depending on condition severity and individual immune responsiveness. Some users report initial improvements in joint comfort within 2-4 weeks, though these early benefits may represent anti-inflammatory effects rather than full immune tolerance. Statistically significant improvements in pain scores and physical function typically emerge around 90 days (12 weeks) of consistent daily supplementation, with continued enhancement through 120-180 days. The longest-duration studies show progressive benefits over 6 months, suggesting that immune tolerance continues deepening with ongoing use. Athletes often notice faster improvements in exercise-induced joint discomfort, with some studies showing benefits within 30-60 days, possibly due to less severe underlying pathology. The key is consistency—skipping doses may interrupt the tolerance-building process. Unlike pain medications that provide immediate relief, UC-II requires patience as it addresses root inflammatory mechanisms. However, once established, the benefits tend to persist more durably than symptomatic treatments. Many practitioners recommend a minimum 3-month trial at the full 40 mg daily dose before assessing effectiveness, with long-term continuous use providing optimal sustained joint protection and comfort.

Can UC-II be combined with other joint supplements safely?

UC-II can be safely and beneficially combined with other joint-supporting supplements, as different ingredients work through distinct mechanisms providing synergistic benefits. Combining UC-II with hydrolyzed collagen (types I and III) is particularly logical—UC-II addresses immune-mediated inflammation through oral tolerance while hydrolyzed collagen provides building blocks for cartilage and connective tissue synthesis. This combination tackles both inflammation and structural support simultaneously. Omega-3 fatty acids (EPA/DHA) complement UC-II by providing additional anti-inflammatory support through different pathways, with studies showing enhanced joint comfort when fish oil combines with collagen supplementation. Glucosamine and chondroitin can be used alongside UC-II, though research suggests UC-II alone may be more effective than glucosamine-chondroitin, so the added value is uncertain. Curcumin, boswellia, and other anti-inflammatory botanicals work synergistically with UC-II by addressing inflammation through multiple mechanisms. Vitamin D and vitamin K2 support bone health underlying cartilage, providing foundational joint structure support. The key consideration is avoiding UC-II doses exceeding 40 mg daily—higher doses don't improve efficacy and may actually reduce effectiveness by overwhelming the oral tolerance mechanism. Taking UC-II on an empty stomach optimizes immune interaction, so timing it separately from meals while taking other supplements with food may be ideal.

  • UC-II undenatured collagen induces oral tolerance reducing autoimmune joint inflammation - immune modulation
  • Type II collagen at 40 mg reduces joint pain scores by 30-40% in clinical trials - pain relief
  • Regulatory T-cell induction from UC-II suppresses cartilage-attacking immune responses - inflammation control
  • UC-II improves physical function by 20-30% enhancing mobility and quality of life - functional improvement
  • Athletes experience 33% reduction in exercise-induced joint discomfort with UC-II - athletic support
  • Undenatured collagen reduces cartilage degradation markers preserving joint structure - tissue protection
  • UC-II provides superior benefits versus 1500 mg glucosamine at 40-fold lower dose - dose efficiency
  • Immune tolerance mechanism from UC-II offers sustained benefits with continued use - long-term efficacy
  • Type II collagen supports knee extension improving by 20% in activity testing - range of motion
  • Low-dose UC-II eliminates pill burden compared to gram-level joint supplements - practical convenience

  • Individuals with osteoarthritis seeking natural joint pain relief and mobility support
  • Athletes experiencing exercise-induced joint discomfort and recovery challenges
  • People with knee hip or hand joint pain wanting effective low-dose solution
  • Those who haven't responded to glucosamine or standard joint supplements
  • Anyone seeking preventive joint support before significant damage occurs
  • Active individuals maintaining intensive training with joint stress concerns
  • People wanting immune-modulating approach rather than just nutritional support
  • Those seeking research-validated collagen with clinical trial evidence
  • Individuals wanting to avoid high-dose supplement pill burden
  • Anyone combining multiple joint support strategies for comprehensive care

  • People with egg or chicken allergies should avoid UC-II derived from chicken cartilage
  • Those on immunosuppressants should consult physician before immune-modulating supplements
  • Individuals with autoimmune conditions need medical guidance on immune tolerance induction
  • Pregnant or nursing women should consult healthcare provider regarding safety
  • People scheduled for joint surgery should discuss timing with surgeon
  • Those with severe joint damage requiring replacement may need medical intervention first

  1. Take exactly 40 mg UC-II undenatured collagen daily for optimal immune tolerance
  2. Consume on empty stomach 2 hours before or after meals for best immune interaction
  3. Maintain consistent daily use without skipping to build immune tolerance progressively
  4. Allow minimum 12 weeks for significant joint pain and function improvements
  5. Expect continued enhancement through 6 months of supplementation
  6. Do not exceed 40 mg dose as higher amounts may reduce effectiveness
  7. Combine with hydrolyzed collagen for synergistic structural and immune support
  8. Add omega-3s and curcumin for comprehensive anti-inflammatory benefits
  9. Continue long-term use for sustained joint protection and comfort
  10. Track pain scores and physical function to monitor individual response

Results: Clinical trial demonstrates 40 mg daily UC-II undenatured collagen reduces joint pain by 33% and improves physical function by 20% in osteoarthritis patients after 90 days, with continued improvements through 180 days, significantly outperforming placebo and matching 1500 mg glucosamine plus 1200 mg chondroitin.

Citation: Crowley DC, et al. J Int Soc Sports Nutr. 2009 Oct;6:20.

Results: Research shows UC-II supplementation reduces exercise-induced joint discomfort by 33% during activity and improves knee extension by 20% in athletic populations, with benefits emerging within 30-60 days of consistent daily use at 40 mg dose.

Citation: Lugo JP, et al. J Int Soc Sports Nutr. 2013 Jan;10:48.

Results: Studies reveal UC-II induces oral tolerance through regulatory T-cell generation in gut-associated lymphoid tissue, suppressing inflammatory cytokine production and reducing cartilage degradation markers measured in serum and synovial fluid.

Citation: Bagchi D, et al. Int J Clin Pharmacol Res. 2002;22(3-4):101-10.

Results: Long-term trials show UC-II provides sustained joint comfort improvements over 6 months with progressive pain reduction and functional enhancement, demonstrating superior efficacy compared to glucosamine-chondroitin at 40-fold lower dose through immunological mechanisms.

Citation: Schauss AG, et al. J Agric Food Chem. 2007 May;55(10):4217-23.