Experts at the American Institute for Cancer Research (AICR) said that whole foods, and not dietary supplements, play a role in lowering cancer risk. Citing a huge and comprehensive AICR report on cancer prevention, the panel of experts cautioned against relying on pills and powders as a means of protection.
"When the panel examined the accumulated evidence from almost 50 different supplement trials, cohort studies and case-control studies, the results were simply too inconsistent to justify using supplements to protect against cancer," said AICR Nutrition Advisor Karen Collins, MS, RD
Under certain conditions, some high-dose supplements seemed protective at specific doses, some did nothing, and some actually increased the risk of cancer. In contrast, the research was much more consistent when the AICR expert panel examined over 440 studies on cancer risk and foods that contained specific vitamins, minerals and phytochemicals. These widely different results led them to conclude: "Dietary supplements are not recommended for cancer prevention."
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