4. Gluten (For People With Autoimmune Thyroid Disease)
Examples: bread, pasta, baked goods made from wheat
Many people with Hashimoto’s thyroiditis (autoimmune hypothyroidism) also have gluten sensitivity or celiac disease. In those cases, gluten can trigger inflammation and worsen symptoms. Some individuals report reduced fatigue and improved digestion after lowering gluten, though it doesn’t help everyone.
Important: You don’t need to remove gluten unless you have celiac disease, sensitivity, or your doctor recommends it. But if you feel worse after eating gluten or have autoimmune thyroid disease, it may be worth discussing with a professional.
5. Sugary Foods and Sweet Drinks
Examples: soda, candy, cakes, sweetened coffee drinks
Thyroid problems can already make your energy fluctuate and your metabolism slower. High sugar intake adds another burden by causing:
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blood sugar spikes and crashes
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increased inflammation
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weight gain
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higher risk of insulin resistance
Many people with hypothyroidism struggle with fatigue and cravings. Cutting down on sugary drinks and desserts can help stabilize energy levels and support long-term hormone health.
6. Excess Iodine From Supplements or Seaweed
Examples: kelp tablets, seaweed snacks in large amounts, high-dose iodine supplements
Iodine is essential for thyroid hormone production—but too much can be harmful, especially for people with autoimmune thyroid disease. Excess iodine may trigger thyroid inflammation or worsen hyperthyroidism in sensitive individuals.
Seaweed is healthy in small portions, but daily large amounts (or iodine supplements without supervision) can push iodine intake too high. Always ask your doctor before taking iodine supplements, especially if you already have thyroid issues.
