✅ 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:
- Blocks thyroid peroxidase (TPO) , an enzyme necessary for the production of thyroid hormones
- Interferes with the absorption of thyroid medications
- Increased risk of hypothyroidism , especially in people with low iodine intake
