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vitamins: Inorganic substances essential in the diet in big amounts that are involved in fundamental functions of the body.

Natural form of vitamin A2:

The most common function of the vitamin A: is

Vitamin A stronge in

RDA of vitamin A is......

Deficiency of vitamin A cusasas
Night blindness
dry eyes dry skin.

Deficiencyof vitamin A include Impaired immunity (infection) and Plugging of hair follicles with keratin forming white lumps (hyper-keratosis)