Which of the following minerals is essential for the proper functioning of the immune system?

A Zinc
B Copper
C Selenium
D Chromium
Zinc is an essential mineral that plays a crucial role in the proper functioning of the immune system, including the activation of immune cells and the regulation of inflammation.
Immunology and Nutrition textbooks
Minerals and Trace Elements Immunology and Nutrition Immune System and Minerals Easy MEDICAL Confidence: high