Brand: Source Naturals

CapsuleOn Market

Functions

Click to view full label

Net Contents

120 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

0 21078 02376 0

Product Version

Not specified

Suggested Use

Suggested Use: 1 capsule daily on an empty stomach; preferably before bed.

Market Reference

$9.38 – $193.98· 22 listings
  • Source Naturals UC-II

    iHerb4.7(61)
    $63.04
  • UC-II 40 mg Joint Support Type II Capsules

    LifeSource Vitamins5.0(1)
    $34.99
  • Emerald Laboratories UC-II Joint Formula Vegetable Capsules

    The Vitamin Shoppe4.7(60)
    $41.99
  • SuperSmart UC II 40mg Supplement

    Nordstrom4.5(39)
    $58.00
  • Source Naturals UC-II Undenatured Collagen Joint Comfort 120 Count (Pack of 1)

    GoSupps.com4.7(61)
    $109.99
  • Healthy Origins UC-II Type II Capsules

    Swanson Health Products4.8(436)
    $32.99
  • Swanson UC-II Standardized Capsules

    Target4.7(394)
    $31.19
  • Naturalis UC-II 40 mg Softgels

    Walmart - Naturalis Inc5.0(5)
    $39.95

Where to Buy Locally

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Research & Studies

  • Undenatured type II collagen (UC-II®) for joint support: a randomized, double-blind, placebo-controlled study in healthy volunteers

    JP Lugo, ZM Saiyed, FC Lau, JPL Molina… - Journal of the …, 2013 - Taylor & Francis

    … the benefits that derive from UC-II usage now extends to include healthy individuals. Further, … , daily supplementation with 40 mg of UC-II supports joint function and flexibility in healthy …

    2013230 citations
  • UC-II® Undenatured Type II Collagen Reduces Knee Joint Discomfort and Improves Mobility in Healthy Subjects: A Randomized, Double-Blind, Placebo …

    K Knaub, C Schön, W Alt, S Durkee, Z Saiyed… - J. Clin. Trials, 2022 - researchgate.net

    … daily dose of 40 mg of UC-II® Undenatured Collagen supplementation may reduce … supplementation improved daily step count which may help to enhance the daily activities and health …

    20226 citations
  • Efficacy of UC-II® Undenatured Type II Collagen on Knee Joint Function in Healthy Subjects: An Exploratory Post Hoc Analysis of a Randomized, Double-Blind …

    Z Saiyed, S Durkee, J Bowman, V Juturu - 2021 - researchsquare.com

    … receive placebo or 40 mg UC-II® supplementation containing ≥ 3% (≥ 1.2 mg) undenatured type II collagen for 120 days. For the current post hoc analyses, 17 participants (UC-II® = 9…

    20213 citations
  • Functional characterization of undenatured type II collagen supplements: Are they interchangeable?

    RB Harris, FLA Fonseca, MH Sharp… - … of dietary supplements, 2022 - Taylor & Francis

    … of UC-II (40 mg), GC (1500 mg G & 1200 mg C), or placebo for 180 days. At the end of the study, the UC-II … Supplementation with UC-II resulted in significant changes for the WOMAC …

    202230 citations
  • Evidence-Based Use of Undenatured Type II Collagen in the Management of Osteoarthritis in the Indian Subcontinent and Southeast Asia: A Narrative Review …

    R Prabhoo, S Patel, I Sardar, S Jangid, RV Thirupathy… - Cureus, 2026 - cureus.com

    … showed that undenatured type II collagen (40 mg/day) improves pain, … favors UC-II® (Lonza Greenwood LLC, USA) over other sources, … UC-II® supplementation is supported by multiple …

    2026
  • The potential of undenatured type II collagen against arthritis: a review

    Y Zhou, Y Zhang, H Dai, Y Zhang, Y Fu - Collagen and Leather, 2024 - Springer

    … This article presents a comprehensive review of the structure and extraction methods of UC-II, discusses the relationship between UC-II and arthritis, and thoroughly examines its …

    202418 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-09-21. DSLD Label ID: 78249. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.