Vitamin C is an essential vitamin for human. Some animals can make their own vitamin C, but people must get this vitamin from food and other sources. Good sources of vitamin C are fresh fruits and vegetables, especially citrus fruits. Vitamin C can also be made in a laboratory.

Vitamin C is most commonly used for preventing and treating the common cold. 

Vitamin C is required for the proper development and function of many parts of the body. It also plays an important role in maintaining proper immune function.

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