The needs of the human body for basic vitamins are well studied today, with a deficiency, as well as with an excess of certain vitamins, a person begins to feel certain unpleasant symptoms. In past centuries, vitamin deficiency claimed lives no less than bandits, wild animals or natural disasters - which is only scurvy, caused by a lack of vitamin C in human food, or beriberi, the fault of which is a lack of B vitamins.
The role of vitamins in human nutrition is to ensure the normal functioning of all internal organs and body systems. With their lack, vitamin deficiency begins.

Vitamin A is an antioxidant that ensures normal human development, is responsible for the health of the skin, eyes, reproductive system and supports immunity.

B vitamins are a group of vitamins involved in the regulation of the nervous system, the synthesis of a number of enzymes and hormones, blood production, energy metabolism of fats and carbohydrates, and the metabolism of proteins and amino acids.

What do you know about vitamins?