List the functions of vitamin A, vitamin C, and vitamin D.

Vitamin A helps form and maintain healthy teeth, bones, soft tissue, mucous membranes, and skin.

Vitamin B6 is also called pyridoxine. ...

Vitamin B12, like the other B vitamins, is important for metabolism. ...

Vitamin C, also called ascorbic acid, is an antioxidant that promotes healthy teeth and gums.

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