UC-II 40 mg®

Other Combinations

Brand: Source Naturals

CapsuleOther CombinationsOn Market

Functions

Bone & Joint

Product label for UC-II 40 mg — 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

SN2376 REV C153

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1% Daily Value Coverage

1 ingredients report an established %DV per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

Milk
Egg
Wheat
Soy
Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1 Capsule(s) · 1 per day

Ingredient	Amount Per Serving	% Daily Value
Calcium	104 mg	10%
UC-II standardized Cartilage	40 mg	—
Total Collagen	10 mg	—

Not Present

Other Ingredients

Dibasic Calcium PhosphateGelatinSilicaPotassium ChlorideMagnesium Stearate

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy FreeSugar Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

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

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

Caution: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.

Precautions re: All Other

Do not use if either tamper-evident seal is broken or missing.

Precautions re: Children

Keep out of the reach of children.

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

UC-II collagen with undenatured type II collagen, when taken orally, helps support a healthy inflammatory response, immune function, and increased joint flexibility and mobility.

Formulation re: Other

Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat.

Formulation re: Does NOT Contain

Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

General Statements: All Other Content

Undenatured collagen joint comfort

General Statements: All Other Content

Cartilage is the connective tissue that covers the ends of your bones to form a smooth, shock-absorbing surface for your joints. Years of stress from our own immune system can wear away cartilage and limit joint flexibility.

Brand IP Statement(s) re: (c), (TM), (SM)

Patented UC-II brand collagen with undenatured type II collagen. UC-II is a patented and registered trademark of InterHealth N.I.

General: Product/Version Code

SN2376 REV C153

Manufacturer & Distributor

Distributor

Source Naturals, Inc.

P. O. Box 2118, Santa Cruz, CA, 95062

Market Reference

$9.38 – $193.98· 22 listings

Source Naturals UC-II
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UC-II 40 mg Joint Support Type II Capsules
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$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

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

SUNMED Modern Wellness - Quincy, IL
5.0 (352)
Vitamin & supplements store
608 Broadway St, Quincy, IL 62301
Directions (217) 214-3040
Target
3.7 (101)
Department store
3701 Broadway St, Quincy, IL 62305
Directions (217) 506-3307

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.