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Vitamin C Supplements — SCE Medical Oncology MCQ

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EasySupportive & Palliative OncologyVitamin C SupplementsSCE Medical Oncology

A 55-year-old woman on cancer treatment asks about vitamin C supplements. What should she be told?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: CNo proven anti-cancer benefit; high-dose vitamin C (antioxidant) may theoretically interfere with ROS-generating treatments; discuss all supplements with oncology team

High-dose vitamin C: no RCT evidence of anti-cancer benefit. Theoretical interference with ROS-generating treatments. Oncologists should ask about supplements non-judgementally and review for interactions.

Reference: ESMO Integrative Oncology; Cochrane Review