Nutrition & Your Immune System

Nutrition is a critical determinant of immune responses and malnutrition is the most common cause of immunodeficiency worldwide. Your body requires both macronutrients and micronutrients to do its job of keeping you safe from invading pathogens. Deficiency in protein, and micronutrients zinc, selenium, iron, copper, vitamins A, C, D, E, and B-6, and folate, even mild deficiency, is associated with immune dysfunction and increased infection complications. 

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