MSM 1,500 mg — Vegetarian Capsules — 120 Count — Joint Comfort, Cartilage Integrity, Connective Tissue Support*
LifeSource Vitamins MSM 1,500 mg delivers a balanced, research-driven formula designed to support joint comfort, improve cartilage integrity, and promote connective tissue resilience. Each formula is 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.* Non-GMO, gluten-free, dairy-free, vegan.
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 knee joint comfort — adults with knee OA vs placebo showed lower WOMAC pain and improved function.
NIH/PubMed — Kim, 2006
✓ Helps maintain joint function — randomized OA trial reported small but significant improvements in pain and physical function vs placebo.
NIH/PubMed — Debbi, 2011
✓ Supports everyday knee comfort — healthy adults with mild knee pain vs placebo improved knee-related quality of life and symptoms.
NIH/PubMed — Toguchi, 2023
✓ Supports exercise recovery — active adults vs placebo showed reduced soreness and favorable oxidative stress markers.
NIH/PubMed — Withee, 2017
✓ Promotes antioxidant capacity — untrained men vs placebo had higher GSH:GSSG and lower MDA after exertion.
NIH/PubMed — Nakhostin-Roohi, 2011
✓ Supports recovery markers — pilot RCT in healthy men showed improved antioxidant capacity and reduced muscle-damage indicators.
NIH/PubMed — Kalman, 2012
✓ Supports nasal comfort — randomized, double-blind exploratory trial found reduced allergy symptom scores and improved airflow measures.
NIH/PubMed — Hewlings, 2018
✓ Supports skin appearance — randomized human trial reported improvements in facial wrinkle/firmness metrics.
NIH/PubMed — Muizzuddin, 2020
Additional / Promising Evidence
✓ May support inflammatory balance — MSM supplementation in overweight/obese adults showed changes in immune-pathway gene expression.
NIH/PubMed — Miller, 2021
✓ May aid in joint health combination — glucosamine + MSM in knee OA showed symptom improvements (context for combo use).
NIH/PubMed — Usha, 2004
University-Led & Academic Studies
✓ University-affiliated review — summarizes MSM mechanisms, safety, and human evidence for joint and connective tissue support.
NIH/PubMed — Butawan, 2017
✓ University-supervised RCT — exercise-recovery outcomes (pain/oxidative stress) in active adults with MSM supplementation.
NIH/PubMed — Withee, 2017
✓ Academic OA RCT — reported modest improvements in pain and function in knee OA with MSM.
NIH/PubMed — Debbi, 2011
Global Evidence & Reviews
✓ NIH/NCCIH overview — discusses MSM for osteoarthritis and joint health (context support).
NIH/NCCIH — Updated
✓ Peer-reviewed narrative review — university-affiliated summary of MSM uses, safety, and human evidence.
NIH/PubMed — Butawan, 2017
✓ NIH/NCCIH arthritis digest — covers complementary approaches including MSM for joint support.
NIH/NCCIH — Digest
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
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Methylsulfonylmethane (MSM) — 1,500 mg per serving (2 capsules) — pharmaceutical-grade, 99.7% purity
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Other Ingredients: Vegetarian cellulose capsules, microcrystalline cellulose, vegetable magnesium stearate
Brief Benefit Bullets
- Supports joint comfort and mobility*
- Promotes cartilage and connective tissue health*
- Provides essential organic sulfur for collagen synthesis*
- Supports antioxidant and inflammatory balance*
- Helps maintain skin, hair, and nail integrity*
- Supports post-exercise recovery*
- Non-GMO, gluten-free, dairy-free, vegan formula*
- 3rd-party tested for purity and potency*
Suggested Use
Adults: Use as directed by your healthcare professional. Store in a cool, dry place. Keep out of reach of children.
Product Specifications
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Serving Size: 2 Capsules
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Servings Per Container: 60
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Amount Per Serving: MSM (Methylsulfonylmethane) 1,500 mg †
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Form: Vegetarian Capsules
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Container: 120 Capsules
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Quality: Non-GMO, gluten-free, dairy-free, vegan, 99.7% pure MSM
- † Daily Value not established
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.
MSM 1,500 mg 120 Vegetarian Capsules — supports joint comfort, cartilage integrity, connective tissue. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
