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There is evidence that high doses of antioxidants can make cancer worse, probably because cancer cells are under oxidative stress. https://www.cancer.gov/news-

There is evidence that high doses of antioxidants can make cancer worse, probably because cancer cells are under oxidative stress. https://www.cancer.gov/news-events/cancer-currents-blog/2015/antioxidants-metastasis https://www.cancer.gov/news-events/cancer-currents-blog/2015... https://pubmed.ncbi.nlm.nih.gov/8127329/ https://pubmed.ncbi.nlm.nih.gov/8127329/

cyberax 2y ago
Vitamin C in large doses becomes a pro-oxidant because it reduces metal ions, and they in turn then become catalysts for oxidative reactions or even directly oxidize stuff.