A properly balanced diet can improve the immunity system and also prevent various diseases including COVID-19 which is caused by severe acute respiratory syndrome coronavirus 2 (SARC-Co2). This review mainly describes dietary guidelines or approaches to build up our immunity as well as better health and protect from corona virus. As we all know one line “Health is Wealth”. So this wealth can be established or secure by optimal diet. Basic food components that are carbohydrates, protein, fat, vitamin and minerals have various important functions to fight against diseases. Most of the documents encourage to consumption of fruits, green vegetables, proteins, whole grains and fluids. Vitamins such as C, E, D, A most important to boost up our immunity. Vitamin C and E also known as natural antioxidants because they protect our body from infection and vitamin C also helps to absorption of iron. Zinc selenium, amino acid and omega 3 fatty acids are necessary to fight COVID-19. Besides this good hygiene practice, proper physical practice or daily work out and proper amount of water intake can improve good health status and prevent chronic illness. Sleep is necessary to heal and rest our body especially during critical illness. Exercise helps to increase the level of white blood corpacell and antibody which helps to fight against infections. This paper discussed the role of these nutrients and specific functions related to improving COVID patients. These nutrients can protect our health from various infectious diseases as well as can decreases mortality and the morbidity rate of COVID-19 patients by improving immunity levels.

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Drying ensures an uninterrupted supply of highly perishable and seasonal fruits such as star fruit (Averrhoa carambola).