Micronutrients are vital components required by humans and other living organisms in small quantities to maintain essential physiological functions necessary for overall health. Unlike macronutrients, which are needed in gram quantities each day, micronutrients are typically required in amounts less than 100 milligrams per day. Vitamins and minerals constitute two key categories of micronutrients. When used appropriately-within a safe dosage range and when the benefits outweigh potential risks?micronutrients can serve as supportive agents in the management of common infectious diseases and malnutrition.