Is soy safe?

Toby Smithson
Nutrition & Dietetics

Soy is considered a safe food and has been consumed for centuries by people in Asia as well as by vegetarians in the United States. There is no clinical evidence that has shown soy to be unsafe in all populations. There has been some debate over safety for women diagnosed with breast cancer but the American Cancer Society has stated soy foods can be safely consumed after a diagnosis of breast cancer. There is also evidence that soy intake may actually improve prognosis of breast cancer survivors.

Dr. David L. Katz, MD, MPH
Preventive Medicine
There is no convincing evidence of adverse health effects in humans from consuming soy. Traditional healthy Asian diets generally use minimally processed, whole, or fermented soy foods, such as soy milk, tofu, miso, edamame, and tempeh. Concerns about increased cancer risk because of high exposure to soy relates to processed soy products, which contain ingredients other than soy.

Continue Learning about Soy

How can eating soy help balance my hormones?
Alisa VittiAlisa Vitti
Foods with fermented soy can help balance hormones and maintain healthy estrogen levels, while produ...
More Answers
What foods may contain soy?
Intermountain HealthcareIntermountain Healthcare
Foods that may have hidden soy in them include: baby food, baked goods, cereals, coffee replacements...
More Answers
Why do many processed foods contain soy?
Margaret FloydMargaret Floyd
In our diet, soy appears most often broken down into isolated components: soybean oil, soy prote...
More Answers
Can Eating Soy Raise My Risk of Breast Cancer?
Can Eating Soy Raise My Risk of Breast Cancer?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.