Soy

Many foods—including soy, broccoli, and millet—contain goitrogens, which are compounds that interfere with thyroid function. Most people can eat these foods regularly without problems. Problems do occur in people who have low intakes of the mineral iodine, which is needed for a healthy thyroid.

In the 1950s approximately 10 cases of goiter—a symptom of thyroid problems—were identified in infants consuming soy infant formula. These 50-year-old studies have been used to fuel arguments that soy is dangerous for infants—but in fact, they have no relevance to infants who are currently fed soy infant formula. Today’s formula is fortified with […]