Supercharge your immune system with the best vitamins and minerals for the immune system include vitamins A, D, C, E, B6, B12, folate, zinc, iron, copper, selenium, and magnesium. Micronutrients are a crucial part of the immune system, and the body needs optimal for optimal immune function. A deficiency in nutrients required by the immune system can predispose individuals to infections. Make sure you are getting enough of these 9 essential nutrients to support your immune system! ~ Didem