d2517619_w_Thyroid_Diet__Foods_to_Avoid__Notes
[Category] VEGETABLES [Foods to Avoid] African Cassava (used in tapioca) Asparagus Bamboo Shoots Broccoli Brussel Sprouts Cabbage (including Kimchi and Sauerkraut) Cauliflower Corn Kale Kohlrabi Leafy Greens (Turnip Greens, Mustard Greens, Collard Greens, Spinach) Radishes Rutabaga Sweet Potatoes Turnips Wasabi Watercress [Notes] 
Although these vegetables are goitrogenic, they contain important fiber, vitamins, minerals, and anti-oxidants, and they are too nutritious to completely avoid. Try to eat them in moderation only. Eat them cooked if possible - the cooking process deactivates most of the goitrogenic compounds.
Low Thyroid Diet: Foods to Avoid
Notes