It is important to follow a balanced and healthy diet if you have an underactive thyroid, also known as hypothyroidism. Some general dietary guidelines for managing hypothyroidism include:

  1. Eat a variety of nutrient-dense foods: This includes whole grains, vegetables, fruits, lean proteins, and healthy fats. These foods can help provide the nutrients your body needs to function properly.
  2. Limit or avoid goitrogens: Goitrogens are substances that can interfere with the normal functioning of the thyroid gland. Some examples of goitrogenic foods include raw cruciferous vegetables (such as broccoli, cabbage, and kale), soy, and peanuts. It is generally recommended to cook these foods, as cooking can reduce their goitrogenic effects.
  3. Choose iodine-rich foods: Iodine is an important nutrient for thyroid function. Good sources of iodine include seafood, dairy products, and iodized salt.
  4. Avoid processed and refined foods: These types of foods are often low in nutrients and high in added sugars and unhealthy fats, which can be detrimental to overall health.

It is important to speak with a healthcare professional or a registered dietitian for personalized dietary recommendations, as the specific dietary needs may vary depending on the individual’s overall health and the severity of their hypothyroidism.