Q:

Does soy protein pose any health risks?

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Quick Answer

Some of the health risks associated with soy protein consumption include allergies, increased cancer risk and potentially causing harm to a fetus if taken at high doses during pregnancy, states WebMD and Everyday Health. Additionally, consuming soy protein may cause side effects such as bloating, constipation and nausea, reports MedicineNet.

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Full Answer

Soy protein can cause allergy symptoms that include inflammation, itching, hives and deadly anaphylaxis. According to the FDA, soy is one of the top eight allergens in the food supply, states Everyday Health. Children who are very allergic to cow?s milk might also be allergic to soy products and are advised by WebMD to use soy products with caution.

Some research studies have found that consuming soy protein can lead to a recurrence of breast cancer in women, reports Everyday Health. It is thought that specific amounts of soy may feed some types of breast cancer because it acts similar to the hormone estrogen. However, the effects of soy in breast cancer patients are not fully understood and, until more is known, it is recommended that soy protein products be avoided, explains WebMD.

Soy protein may be unsafe when used during pregnancy in medicinal amounts. Consuming high doses of soy may harm the development of a fetus. Additionally, little is known about the safety of consuming higher doses of soy protein during breast feeding and should therefore be avoided, explains WebMD.

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