Wrinkles

Is large amounts of soy bad for you?

Many of soy's health benefits have been linked to isoflavones—plant compounds that mimic estrogen. But animal studies suggest that eating large amounts of those estrogenic compounds might reduce fertility in women, trigger premature puberty and disrupt development of fetuses and children.Nov 3, 2009

How much soy a day is too much?

How Many Isoflavones? Research shows that 25 grams of soy protein a day has a modest cholesterol-lowering effect. It is not known whether consuming more than 25 grams of soy protein a day could be dangerous. Because of this, women may want to be careful with soy pills and powders.

Is it bad to eat soy every day?

The Bottom Line: Yes, you can go ahead and eat soy daily and feel good about it. Just be sure that you're consuming an appropriate amount—about three servings—of lesser processed soy foods.

How much soy a day is safe?

When one considers the importance of consuming a varied diet, Chinese and Japanese soy intake, and the amounts of soy associated with benefits in epidemiologic and clinical studies, a reasonable intake goal for adults is 15 g soy protein and about 50 mg total isoflavones per day.

What are the negative effects of soy?

The most common side effects of soy are digestive upsets, such as constipation and diarrhea. Soy may alter thyroid function in people who are deficient in iodine. Current evidence indicates that it's safe for women who have had breast cancer or who are at risk for breast cancer to eat soy foods.

Does soy raise estrogen levels?

May reduce menopause symptoms Since soy acts as a natural estrogen, it may help reduce these symptoms. Studies suggest soy's beneficial role in menopause. In a review of 35 studies, soy isoflavone supplements raised estradiol (estrogen) levels in postmenopausal women by 14% ( 14 ).

What happens if you eat a lot of soy?

When you eat lots of soy, it has the potential to disrupt estrogen-sensitive systems in your body, including the reproductive system (which includes the brain, the pituitary gland and the reproductive organs), says Patisaul.

Why you should never eat soy?

Soy, it turned out, contains estrogen-like compounds called isoflavones. And some findings suggested that these compounds could promote the growth of some cancer cells, impair female fertility and mess with thyroid function.