All types of edible mushrooms ஊட்டி மொட்டு காளான் மற்றும் சிப்பி காளான் contain varying degrees of protein and fiber. They also contain B vitamins as well as a powerful antioxidant called selenium, which helps to support the immune system and prevent damage to cells and tissues. Mushrooms are also great sources of protein, fiber, B vitamins (especially niacin), vitamin C, calcium, minerals, and selenium.