6 Foods That Negatively Affect Your Thyroid – What to Avoid or Limit

Examples: Wheat, barley, rye, bread, pasta.
Why it affects the thyroid: People with autoimmune thyroid conditions (like Hashimoto’s) may have gluten sensitivity, which can trigger inflammation and worsen thyroid function.
Tip: If you have thyroid issues, consider a gluten-free diet or get tested for celiac disease.