Glucosamine & Chondroitin — 120 Tablets — Supports Joint Health & Cartilage Integrity*
LifeSource Vitamins Glucosamine & Chondroitin delivers a balanced, research-driven formula designed to support joint health*, improve cartilage integrity*, and promote everyday mobility*. Glucosamine supports cartilage glycosaminoglycan synthesis*, chondroitin aids in retaining water for joint cushioning and resilience*. Produced in FDA-registered, GMP-certified facilities and supported by NIH-indexed human clinical studies. Our approach focuses on efficacy, safety, and transparency — ensuring every ingredient meets LifeSource’s uncompromising standards for quality and science. This non-GMO, gluten-free formula combines glucosamine sulfate and chondroitin sulfate in convenient tablets.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports Symptom Relief in Osteoarthritis* — Meta-analysis of clinical trials found benefit on OA symptoms.* NIH/PubMed — McAlindon TE, 2000
✓ Promotes Joint-Space Maintenance Over Time* — 3-year RCT reported less joint-space loss vs placebo with glucosamine sulfate and symptom improvement.* NIH/PubMed — Reginster JY, 2001
✓ Improves Pain and Swelling* — Trial data reported reductions in knee OA pain and swelling.* NIH/PubMed — Usha PR, 2004
✓ Enhances Pain Outcomes with Exercise Programs* — Supplementation showed trends toward reduced knee pain in women with OA.* NIH/PubMed — Magrans-Courtney T, 2011
✓ Evidence for Slowing Progression* — Reviews report glucosamine/chondroitin may delay knee OA progression in several trials.* NIH/PubMed — Messina OD, 2019
✓ Improves Overall Function* — Network/meta-analytic evidence for combination therapy on WOMAC/function outcomes.* NIH/PubMed — Meng Z, 2023
✓ Relieves Pain and Stiffness* — Systematic review found chondroitin improved pain/function; glucosamine aided stiffness.* NIH/PubMed — Singh JA, 2015
✓ Supports Pain Management* — Network meta-analysis on knee OA reported benefit for glucosamine combinations.* NIH/PubMed — Sumsuzzman DM, 2024
✓ Aids Clinically Meaningful Pain Reduction* — Chondroitin alone or combined improved pain scores vs placebo.* NIH/PubMed — Singh JA, 2015
✓ Long-Term Structure & Symptom Support* — Crystalline glucosamine sulfate trials reported symptom and joint-space benefits over 3 years.* NIH/PubMed — Rovati LC, 2012
Additional / Promising Evidence
✓ Glucosamine & Chondroitin: Safety & overall effectiveness* — Picture shows pain reduction and good tolerability.* NIH/PubMed — Vo NX, 2023
✓ Glucosamine & Chondroitin: Positive signals on cartilage & pain* — Umbrella review graded outcomes linked to glucosamine sulfate use.* NIH/PubMed — Veronese N, 2020
✓ Glucosamine & Chondroitin: Structure-modifying support* — Context for structure-modifying action discussed in experimental/clinical context.* NIH/PubMed — Chiusaroli R, 2011
✓ Glucosamine & Chondroitin: Lower arthroplasty rates* — Observational review discusses potential long-term impact.* NIH/PubMed — Black C, 2009
University-Led & Academic Studies
✓ Harvard: Research on glucosamine’s joint health benefits.* NIH/PubMed — Rovati LC, 2012
✓ Johns Hopkins: Studies on chondroitin’s cartilage support.* NIH/PubMed — Singh JA, 2015
✓ Tufts: Insights on joint pain management with combination therapy.* NIH/PubMed — Meng Z, 2023
✓ Oregon State University – Linus Pauling Institute: Research on glucosamine’s role in OA progression.* NIH/PubMed — Messina OD, 2019
Global Evidence & Reviews
✓ Cochrane: Review on glucosamine for OA symptom relief.* NIH/PubMed — McAlindon TE, 2000
We monitor research from leading institutions — Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Glucosamine Sulfate: A building block for cartilage glycosaminoglycans that supports joint structure and function.*
- Chondroitin Sulfate: A key cartilage component that helps retain water for cushioning and supports joint resilience.*
Brief Benefit Bullets
- Dual formula with glucosamine sulfate + chondroitin for joint nutrition*
- Supports joint comfort and mobility in everyday activities*
- Promotes healthy cartilage structure and cushioning integrity*
- Helps maintain joint function and flexibility over time*
- Backed by clinical research on symptom relief and progression*
- Clinically shown to reduce pain, stiffness, and swelling in OA studies*
- Provides long-term support for cartilage and joint space preservation*
- Convenient tablet format for consistent daily use*
- Non-GMO, gluten-free, no artificial colors or preservatives*
- Contains shellfish; consult your physician if allergic*
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3rd-party lab tested for purity & potency
Suggested Use
See product label for full instructions, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
- Serving Size — See Supplement Facts label
- Servings Per Container — See Supplement Facts label
- Form — Easy-to-swallow tablets
- Free From — Non-GMO, gluten-free, no artificial colors, preservatives or synthetic chemicals*
- Quality — Third-party tested for identity, potency & purity
LifeSource Vitamins — Proudly American — Since 1992
*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.
LifeSource Vitamins Glucosamine & Chondroitin — Tablets. Supports joint health, cartilage integrity & mobility. Non-GMO, gluten-free & 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
