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

Iodine is essential for the production of thyroid hormones (T3 and T4).
Iodine blockage by goitrogens can   worsen hypothyroidism   and lead to   goiter   (enlargement of the thyroid gland).

 

✅  Good news:
cooking   deactivates most goitrogens  .
Steaming or boiling cruciferous vegetables reduces their goitrogenic activity by up to 90%.

🟢  Tip:
Enjoy these nutrient-rich vegetables—but   cook them   if you have hypothyroidism.
Eat raw vegetables in moderation if you’re healthy and eating a balanced diet.

❌  2.   Soy products (especially unfermented ones)

Hormone Mimic

Food products worth paying attention to:

  • Soy milk, tofu, edamame, soy protein isolate, soy sauce

Soy contains   isoflavones   (such as genistein), which are   phytoestrogens   — plant compounds that can:

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