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

✅ 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.
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