✅Insoluble fiber: Foods such as cauliflower, green peas, dark leafy greens, blackberries, whole grains, nuts, seeds, brown rice, beans, potatoes, carrots, chia seeds, and fruits with skin contain this type of fiber. ✅ Soluble fiber: Some foods that contain this type of fiber include avocado, brussels sprouts, turnips, citrus fruits, black beans, flax seeds, carrots, apples, chia seeds, broccoli, and more.