19 Foods to Avoid If You Have Hypothyroidism or Thyroid Problems

Fast food, packaged snacks, and frozen meals often contain unhealthy fats and additives that disrupt metabolism.

6. Fried Foods

Deep-fried items contain trans fats, which can impair thyroid function and contribute to weight gain.

7. Excess Caffeine

Too much coffee, tea, or energy drinks may increase anxiety, palpitations, and interfere with thyroid medication absorption.

8. Highly Processed Meats

Bacon, sausages, and hot dogs often contain nitrates and preservatives that may worsen thyroid inflammation.

9. Alcohol

Alcohol affects thyroid hormone levels and may interfere with proper liver function, where thyroid hormones are activated.

10. Artificial Sweeteners

Aspartame and sucralose may disrupt gut health, which is closely linked to thyroid function.

11. Refined Flour Products