Q.

The vitamin that helps to prevent infections in the human body is -

A. vitamin A
B. vitamin B
C. vitamin C
D. vitamin D
Answer» C. vitamin C
Explanation: Vitamin C or L-ascorbic acid, or simply ascorbate the anion of ascorbic acid), is an essential nutrient for humans and certain other animal species. Vitamin C is found in high concentrations in immune cells, and is consumed quickly during infections. It is not certain how vitamin C interacts with the immune system: it has been hypothesized to modulate the activities of phagocytes, the production of cytokines and lymphocytes, and the number of cell adhesion molecules in monocytes.
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