Micronutrients and bioactive substances: Their potential roles in combating COVID-19
The aim of this paper was to review the roles of micronutrients and bioactive substances as potential alternative approaches in combating COVID-19. This review was based on the literature identified using electronic searches in different databases. Vitamins (A, B, C, D, and E), minerals (selenium and zinc), and bioactive substances from curcumin, echinacea, propolis, garlic, soybean, green tea, and other polyphenols were identified as having potential roles in interfering with