What are the main food groups to avoid to follow a diet low in iron?

To follow a low-iron diet, you want to carefully watch your intake of such foods as citrus fruits, alcohol, red meat, sugar, cruciferous vegetables such as broccoli or brussels sprouts, and also be careful to check processed foods for any added iron. Some foods you can safely enjoy on a low-iron diet include most non-citrus fruits, non-cruciferous vegetables, dairy products, and teas.