Vitamin A (retinal)

Vitamin A (retinal)Vitamin A is found in milk, butter, cheese, egg yolks, liver, fish liver oil, etc.

Lack of vitamin A causes night blindness. Symptoms of vitamin D deficiency include excessive dryness of the skin, decreased mucus secretion, favorable bacterial environment, dysfunction of the lacrimal glands and consequent dryness of the eyes.

This vitamin has a direct or indirect effect on the structure and maintenance of skin, mucus, mucous membranes, bones, teeth, vision and fertility.

That is why it is necessary to take 900 mg of vitamin A daily.