Throughout the world people are restless to find out the ways that can minimize the risk of present outbreak of COVID-19 pandemic. It is considered that healthy eating habit is one of the remedial ways against this. The people who are weak in immunity are prone to severe attack of COVID-19. Functional foods are those foods which have health beneficial role beyond its basic nutrition. So, functional foods which can improve the immunity of the people,are helpful to combat COVID-19. The book ‘Immunity Boosting Functional Foods to Combat COVID-19’ contains seventeen chapters which describe immunity boosting effect of some functional foods/food ingredients such as different medicinal plants, herbs, fruits, vegetables, seeds, dairy products, probiotics, vitamins, minerals, etc. The book may be helpful to common people and health professionals as well as scientists, teachers, scholars and students.