3 ms·

Well, antioxidants prevent damage to cells, so while that's normally helpful, it directly works against things like Chemotherapy which are actively trying to ki

• nabla9 7y ago
  The problem with antioxidant supplements is that they don't necessarily work well with metabolism. After the antioxidant hype and supplement boom yielded no health benefits, there have been multiple large studies showing no effect or negative effects. They can remove benefits from physical exercise and increase cancer risk. Vitamin C can remove benefits from exercise. Overall the risks and benefits are small, but basically they are all useless. If studies show benefits, it can be because some of the subjects suffered from deficiency. You should take them only to treat vitamin deficiency or increased need. Taking more and more of the good stuff is not automatically better.
  • RandomInteger4 7y ago
    While all that may or may not be true, that is irrelevant to this study.
• refurb 7y ago
  That’s exactly it. There was another paper that showed dosing with supplements prevented improved fitness as well. Oxygen radicals do cause damage in the body, but they are also important signals and invoked in programmed cell death.
  • nwah1 7y ago
    Yes, but many of the nutrients in this study such as iron aren't anti-oxidants, but simply useful for cells, cancerous or otherwise. Usual health advice must often be inverted for cancer patients. And the concept of "anti-oxidant" in general can be misleading with respect to the mechanism of action. It isn't simply the anti-oxidant effects of polyphenols that are responsible for the reported benefits.