There remains a lot of confusion regarding soy intake for breast cancer survivors.
Soy and Breast Cancer
The Basics:
Soy foods contain isoflavones, a plant compound that looks similar to estrogen. Isoflavones have many protective benefits, but there was concern that they may act just like human estrogen and increase the risk of hormone receptor-positive breast cancer.
The Research:
Consistent research findings on human population studies indicate no increased risk for breast cancer survivors who consume soy foods. In fact, limited evidence shows the potential for greater overall survival and perhaps decreased recurrence among women a year or more after diagnosis who include moderate amounts of soy.
The Recommendations:
Women with breast cancer can safely consume 1-2 servings of whole soy foods per day. These foods include soy milk, tofu, tempeh, and edamame.
Soy supplements and powders have not been widely studied, so these are not recommended at this time.
For more information on the research concerning soy and breast cancer, visit the American Institute for Cancer Research.
Before starting any new diet or nutrition programs, please check with your doctor or registered dietitian.
Post created by Caryn Fields, Registered Dietitian MS RD CSO LD CNSC.
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