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Alternative therapy
Shark cartilage
Supplements · Herbs
Tier DUse with cautionRating: 10/100
Important
Do not replace or delay standard cancer treatment with unproven therapies. Always consult your oncology team before starting anything new.
Summary
Shark cartilage has been promoted as an anti-cancer supplement, but evidence is weak.
Claims: Anti‑tumor
Evidence
Clinical evidence is insufficient; use is not recommended outside clinical trials.
Negative/neutral evidence: No proven cancer benefit.
Evidence is limited and inconsistent.
Safety & interactions
Side effects and product variability are concerns.
Warnings
- • Not recommended outside clinical trials.
Risks
- • GI upset, hypercalcemia, and rare hepatitis have been reported.
Sources
Last reviewed: 2/19/2026 · Rating methodology