The health benefits of soy


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A controversial dietary choice, but given that soy is packed with useful protein and micronutrients, why is this versatile ingredient the subject of so much debate? Registered nutritionist Jo Lewin knows more.

What is soy?

Soy originates from China, where it has been cultivated for over 13,000 years. Like other beans, soybeans (Glycine max) grow in pods containing edible seeds. These are usually green, but can also be yellow, brown or black. The bean's versatile texture allows it to be processed into a variety of foods, including soy “milk” and protein, as well as tofu, miso and tempeh. When eaten fresh, soy beans are often called edamame beans.

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Nutritional benefits

A serving of 80 g of soybeans (boiled) provides

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