Vitamin A /retinol/ is fat-soluble, basic, and necessary for people for their normal and proper functioning of the visual, the immune system. It promotes cell growth, contributes to the maintaining of the reproductive functions in both men and women.

The prolonged vitamin A deficiency increases the risk of blindness, increased morbidity, anemia. The growth slows down. The immune system has difficulties coping with viral and bacterial infections.

Main sources of vitamin A are animal products - liver, fish, egg yolks, whole milk.

The human body can not synthesize vitamin A from the sources of provitamin A, coming from food. These are carrots, tomatoes, pumpkin, apricot, spinach.