Plant goitrogens compete with iodine - flax
The Crucifers family Brussels sprouts, cabbage, cauliflower, collard greens, kale, radish...
Steaming reduces goitrogens boiling more so
Fermenting sauerkraut activates the goitrogens
Rosaceae family cherries, almonds, plums, peaches, apricots, pears, raspberries, strawberries...
"You know, eat these foods in moderation, and make sure that you compensate for their inclusion in the diet with eating more seafood, perhaps some occasional seaweed..."
Chris Masterjohn PhD in Nutrition