2. Cruciferous Vegetables (Raw)
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Examples: Broccoli, cauliflower, cabbage, kale, Brussels sprouts.
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Why it affects the thyroid: These vegetables contain goitrogens, compounds that can inhibit iodine uptake by the thyroid gland, reducing hormone production.
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Tip: Cooking these vegetables reduces goitrogenic effects, so lightly steaming is better than eating raw in large amounts.