19 Foods to Avoid If You Have Hypothyroidism or Thyroid Problems

3. Gluten-Containing Grains

Wheat, barley, and rye may trigger inflammation and worsen symptoms in people with thyroid disease, especially those with Hashimoto’s thyroiditis.

4. Sugary Foods

Excess sugar contributes to weight gain, fatigue, and insulin resistance, which can worsen hypothyroid symptoms.

5. Processed Foods