21
May
2014

The Pros and Cons of Eating Soy

What are the pros and cons of eating soy? Some studies suggest that because soy isoflavones can mimic estrogen (which helps maintain bone mass), eating soy helps protect against bone loss, particularly in postmenopausal women whose estrogen levels are declining. But recent research doesn’t show any protection. A yearlong study showed that getting 110 milligrams of isoflavones (about 11⁄2 cups tofu or 1 cup shelled edamame) each day did not prevent bone loss in postmenopausal women. Researchers reviewing 17 studies in peri- and postmenopausal women reached the same conclusion. What’s more, soybeans (like all beans) contain phytic acid, a natural plant substance that interferes with the absorption of bone-building calcium, magnesium and iron.

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Nutrition Facts

21
May
2014

The Pros and Cons of Eating Soy

What are the pros and cons of eating soy? Some studies suggest that because soy isoflavones can mimic estrogen (which helps maintain bone mass), eating soy helps protect against bone loss, particularly in postmenopausal women whose estrogen levels are declining. But recent research doesn’t show any protection. A yearlong study showed that getting 110 milligrams of isoflavones (about 11⁄2 cups tofu or 1 cup shelled edamame) each day did not prevent bone loss in postmenopausal women. Researchers reviewing 17 studies in peri- and postmenopausal women reached the same conclusion. What’s more, soybeans (like all beans) contain phytic acid, a natural plant substance that interferes with the absorption of bone-building calcium, magnesium and iron.

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