Vitamin A is a fat-soluble vitamin, which is necessary for, among other things, vision, propagation, immune system, regulation of hereditary systems, mucous membranes and growth. A severe deficiency of vitamin A can cause infection, night blindness, blindness and eventually death.
In the diet, the most important forms of vitamin A are retinol, retinal and retinoic acid found in animal food (animal food) and carotene from the plant kingdom, of which ß-carotene is the most important. They can all be converted into retinol in the body.
Vitamin A is deposited in liver and adipose tissue for later use. The vitamin is stored relatively long in the body and does not have to be fed daily with the diet. Eating once a week should be sufficient.
Vitamin A is found in animal products, especially in liver, fish, eggs, enriched gastrines and dairy products. Also in fruit and vegetables, especially with orange and dark green colors, such as carrots, spinach, kale, apricots and melons, liver and fish, as well as orange and dark green vegetables.
The recommended daily dose is approximately 1 milligram per day.