Abstract
The novel coronavirus infection is also called COVID-19 (coronavirus disease 2019). The infection has affected millions of people worldwide and caused morbidity as well mortality in patients with pre-existing chronic conditions such as metabolic, respiratory and cardiovascular disorders. The severity of the disease is mostly seen in people with low immunity and chronic sufferers of respiratory, cardiovascular and metabolic disorders. To date, there is no specific treatment available for COVID-19. Precaution and prevention are the most recommended options followed for controlling the spread of infection. Trace elements such as zinc, calcium, iron and magnesium play an important role in boosting the immunity of the host system. These components assist in the development and functioning of lymphocytes, cytokines, free radicals, inflammatory mediators and endothelial functioning. This review summarizes the common dietary supplements that are regularly consumed in Saudi Arabia and are known to contain these vital trace elements. Data available in Google Scholar, NCBI, PUBMED, EMBASE and Web of Science about COVID-19, micronutrients, trace elements and nutritional supplements of Saudi Arabia was collected. By highlighting the traditionally used dietary components containing the essential elements, this review could provide useful knowledge crucial for building immunity in the population.
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