The reality is, many of these foods offer great nutrition too. The trick lies in preparation methods and portion sizes. Let’s break down the six common culprits and what you can do instead.
1. Soy Products: Tofu, Soy Milk, and Edamame

Soy contains isoflavones that, in high amounts, may interfere with thyroid hormone production or medication absorption in some individuals. Research, including reviews on people with hypothyroidism, notes potential effects especially when iodine intake is low.
Why it matters: Many processed foods hide soy ingredients, making it easy to overdo it.