In order to avoid diseases, it is very important to have strong immune system in the body. When the immune system is strong, the body gets the strength to fight diseases, so that you people can easily keep themselves healthy. In such a situation, if you are on Vegan Diet, then you have a shortage of food options. Let us tell you that there is no shortage of immune booster foods even in plant based diet. Let us tell you about such vegan friendly foods which are helpful in strengthening your immune system. .