In this book, several functional foods or food ingredients, their mechanism of immune enhancing properties and use in food products have been discussed through seventeen chapters written by eminent authors. There are several medicinal plants which have significant role for immunity boosting such as Ashwagandha, Tulsi, Shatavari, Giloy, Aloe vera, Amla, Neem, licorice, garlic, ginger, turmeric, rosemary, black cumin, cinnamon, sage, thyme,fenugreek, peppermint, black pepper, clove etc. These have been discussed in detail. Note: T&F does not sell or distribute the hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.