Cauliflower is rich in Vitamins B6 and C, magnesium, selenium, calcium, iron, potassium and fibre. A cruciferous veggie, cauliflower fights cell damage and free radicals, colds, infections and bronchitis. It is extremely low in calories and thus aids weight loss. It contains a substance called allicin that prevents cardiovascular diseases.

Disclaimer: This veggie also contains phytonutrients that can prevent cancer.