LifeSource Vitamins Shark Cartilage 750 mg — Capsules, 100 Count — Supports Joint & Immune Health*
Pure, freeze-dried shark cartilage supplying naturally occurring chondroitin sulfates & glycosaminoglycans (GAGs) to support joint comfort, everyday mobility, and immune balance. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for identity, potency & purity.*
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. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*
Clinically Studied Benefits
✓ Supports joint comfort in osteoarthritis — Chondroitin sulfate modestly improves pain and function vs placebo in human trials and meta-analyses.
NIH/PubMed — Singh, 2015
✓ Helps daily mobility — Chondroitin sulfate recommended within multimodal care for osteoarthritis symptoms.
NIH/PMC — Henrotin, 2010
✓ Joint symptom support — Fixed-dose glucosamine + chondroitin regimens non-inferior to reference products in knee OA RCTs.
NIH/PubMed — Lomonte, 2021
✓ OA pain/function short-term benefit — Meta-analysis shows small but meaningful average improvements with chondroitin.
NIH/PubMed — Singh, 2015
✓ Supports cartilage matrix integrity (context) — Chondroitin contributes to structure-functional role in cartilage.
NIH/PMC — Henrotin, 2010
✓ Anti-angiogenic activity in dermatologic context — Shark cartilage extract demonstrated effects with potential relevance (non-OA).
NIH/PubMed — Dupont, 1998
✓ Angiogenesis pathway modulation (clinical context) — Cartilage-derived extract studied for anti-angiogenic effects.
NIH/PubMed — Gingras, 2001
✓ Supports balanced inflammatory response (context) — GAGs and cartilage extracts explored in inflammatory models.
NIH/PMC — Chen, 2012
✓ OA symptom improvement in combinations — Glucosamine + chondroitin shows benefits in subsets of patients.
NIH/PubMed — Lomonte, 2021
✓ General tolerability in clinical use — Well-tolerated with noted cautions (e.g., calcium content).
NIH/PubMed — Singh, 2015
Additional / Promising Evidence
✓ Cartilage constituents & immune balance — Preclinical/adjunct literature on GAGs in inflammatory models.
NIH/PMC — Chen, 2012
✓ Mechanistic OA support — Structure-functional rationale for chondroitin in cartilage matrix.
NIH/PMC — Henrotin, 2010
✓ OA symptom improvement (combinations) — Trials show symptomatic benefits in subsets.
NIH/PubMed — Lomonte, 2021
✓ Dermatology context — Anti-angiogenic properties referenced in psoriasis literature.
NIH/PubMed — Dupont, 1998
✓ Angiogenesis pathway research — Cartilage-derived extract in oncology context studies.
NIH/PubMed — Gingras, 2001
✓ Evidence limitations noted — Mixed/insufficient data for many uses; safety emphasized.
NIH/PubMed — Singh, 2015
University-Led & Academic Studies
✓ University-affiliated rheumatology centers — Meta-analyses and RCTs on chondroitin sulfate for OA.
NIH/PubMed — Singh, 2015
✓ European university laboratories — Mechanistic reviews on chondroitin’s role in cartilage.
NIH/PMC — Henrotin, 2010
✓ Canadian academic oncology groups — Clinical studies on cartilage-derived anti-angiogenic extract.
NIH/PubMed — Batist, 2002
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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Shark Cartilage Powder — Natural source of chondroitin sulfates & GAGs that help support joint comfort and cartilage matrix integrity.*
Brief Benefit Bullets
- Helps support joint comfort & daily mobility (chondroitin-rich)*
- Supplies GAGs that help nourish cartilage matrix (structure & lubrication)*
- Supports balanced inflammatory response (evidence mixed; see studies)*
- Historical use in dermatology/immune contexts (see research notes)*
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3rd-party lab tested for identity, potency & purity
Suggested Use
Take 3 capsules daily with meals, or as directed by your healthcare professional. Do not use if allergic to fish. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
• Serving Size — 3 capsules (2,250 mg shark cartilage)
• Per Capsule — 750 mg shark cartilage (100 capsules per bottle)
• Other Ingredients — Gelatin (bovine) capsules
• Allergen Note — Contains finfish (per label)*
• 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.
Shark Cartilage 750 mg — natural chondroitin & GAGs for joint comfort and mobility. 3-caps serving = 2,250 mg. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
