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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Anti infective vitamin is –
assistant
The correct answer is  Functions of Vit A

Vitamin A is essential for -
	I.Normal vision


Retinol is necessory for functioning of retina.
Regeneration of rhodopsin during dark light is vit A dependent --> vit A deficiency causes defective dark adaptation.

2. Anti-infective

Vitamin A is necessary for integrity of epithelial tissues that resist invasion by pathogens.
Vitamin A has some role in immune response.

3. Anticancer effect

Beta-carotene has antioxidant property —> by virtue of this action it reduces the incidence of lung, breast, oral, esophageal and bladder cancers.

4. Skeletal - growth

Vitamin A supports skeletal growth.