How can proper nutrition support the immune system?

Proper nutrition plays a crucial role in supporting the immune system, primarily by supplying essential vitamins and minerals necessary for immune function. Nutrients such as vitamins A, C, D, E, and minerals like zinc and selenium are vital for the development and functioning of immune cells. For example, vitamin C is known to boost the production of white blood cells, which are essential for fighting infections. Similarly, vitamin D helps modulate the immune response, and zinc is important for normal development and function of immune cells.

Other options do not effectively support immune function in the same way. While muscle recovery and calorie intake can have their benefits in a broader context of health and performance, these aspects do not directly enhance the immune system. Promoting high sugar intake is detrimental, as excess sugar can negatively impact immune function, leading to increased inflammation and reduced ability of immune cells to respond effectively to pathogens. Thus, focusing on essential nutrients is key to maintaining a strong and responsive immune system.