This post is an addition to my earlier post about vegetables.
Asparagus – Helps build blood and helps the digestive tract; can irritate kidney’s so don’t feed it to your cat if your cat has urinary problems or flare-up.
Spinach – Although it is high in fiber and moisture, its high oxalic acid content can bind with calcium in food and block calcium absorption.
Cruciferous vegetables (broccoli, brussels sprouts, cabbage, cauliflower, kohlrabi and turnips) – Can be difficult to digest and cause bloating and gas (adding grounded roasted caraway seed to the mix alleviates this problem); contain goitrogens, which can interfere with the actions of the thyroid glands, especially if fed raw.
Beets – Benefit various health conditions but because of its detoxifying action, introduce slowly.
Goitrogens – Wikipedia
Goitrogens are substances that suppress the function of the thyroid gland by interfering with iodine uptake, which can, as a result, cause an enlargement of the thyroid.