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Alternative therapy
Mistletoe extracts
Supplements · Herbs
Tier CUse with cautionRating: 32/100
Important
Do not replace or delay standard cancer treatment with unproven therapies. Always consult your oncology team before starting anything new.
Summary
Mistletoe extracts are used in some countries as an adjunct therapy, but evidence is mixed.
Claims: Anti‑tumor, Supportive/adjunct
Evidence
Clinical studies report mixed results; many trials have weaknesses and use is not recommended outside clinical trials.
Negative/neutral evidence: No reliable evidence shows mistletoe improves survival.
Evidence quality is limited; results are inconsistent.
Safety & interactions
Injectable products are not approved in the U.S.
Warnings
- • Not recommended outside well-designed clinical trials.
Risks
- • Injection site reactions, fever, chills have been reported.
Sources
Last reviewed: 2/19/2026 · Rating methodology