What Is a Good Diet for an Underactive Thyroid?


Quick Answer

A good diet for an underactive thyroid includes nutrient-rich foods like fish, dairy, whole grains and plant-based foods, according to Everyday Health. Recommended plant-based foods include fruits, vegetables, nuts and seaweed.

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Full Answer

Fish is good for an underactive thyroid because of its high concentration of omega-3 fatty acids. Hypothyroidism can lead to increased risk of heart disease, and omega-3 fatty acids counteract this by raising protective low-density lipoprotein, or LDL, cholesterol. LDL decreases inflammation that can damage the heart, reports Everyday Health.

Nuts are valuable as a high source of selenium, which is vital to thyroid function and reduces inflammation, states Everyday Health. Nuts with high concentrations of selenium include hazelnuts, macadamia nuts and Brazil nuts. Whole grains are a good source of dietary fiber to help prevent constipation that is common with underactive thyroid. Fresh fruits and vegetables are also rich in fiber and provide a high nutrient value for low calories. Fruits and vegetables that are high in antioxidants, such as green peppers, sweet potatoes, blueberries and cherries, are especially healthy.

Beans are a good choice for underactive thyroid because of their fiber and antioxidant content. Dairy is important for vitamin D, and seaweed is essential for its iodine content, reports Everyday Health.

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