Adequate nutrients are required for all kinds of cells to develop immune systems in the body. Among edibles, seeds are enriched with proteins, healthy fats, dietary fibres and minerals such as magnesium potassium, calcium, iron and zinc and contain vitamins such as B1
and vitamin E. Nuts have high calorific value, unsaturated fatty acids, dietary fibres, proteins, antioxidants, vitamins E, B6
, folic acid, niacin and minerals such as magnesium, zinc, iron, copper, selenium, phosphorus and potassium and less saturated fats and cholesterols. Among vitamins, A, C, E, D and B6
; minerals including zinc, selenium and amino acids like glutamine play a vital role on developing immune systems in the body. Most of the indigenous fruits of India are underutilized and under-exploited and are rich in vitamins, minerals, nutrients and has medicinal potential. As source of essential vitamins, micronutrients, protein, antioxidants and other phytonutrients, traditional vegetables, underutilized legume crops, spices, edible mushrooms and medicinal plants have the potential to play a major role in developing strategies to attain nutritional security. In the present review, 16 fruit crops, 19 vegetable crops, 19 medicinal plants of Indian origin and 19 popular edible flowers having capacity to develop immunity of individuals is discussed.