Your immune system does a remarkable job of defending you against disease-causing microorganisms. Feeding your body with immune boosting foods may keep your immune system strong. Citrus fruits, a huge source of vitamin C and fibre is said to increase the production of white blood cells and aid in digestion .The allicin and gingerol contained in garlic and ginger treats chronic indigestion, characterized by recurrent pain and discomfort in the upper part of stomach, lowers the cholesterol level and decreases the inflammation. The beta carotene, vitamin B and vitamin C present in red bell pepper not only boost the immunity but also help to maintain healthy skin. The antioxidant and anti inflammatory action of black pepper improves the gut health and lowers the sugar level. The bright yellow spice, turmeric exhibits antifungal and antioxidant properties improving digestion and slowing aging process.