What are the 10 best foods to improve our immunity?

Innate immunity is something you are gifted with when you are born. However, you can put effort for building your immunity. Turmeric is well known in Indian traditional medicine to boost body's immunity. Giloy is another herb whose bark concentrate can improve immunity. Pepper and tomatoes are rich in antioxidants that can relieve your body of the toxic free radicals. Omega-3 fatty acid rich foods make body stronger to deal with infectious agents. Examples of such foods are fish and flaxseeds. Vitamin C plays a big role in keeping flu away. Oranges, gooseberry and lemon are some foods rich in Vitamin C.