What are vitamins, what is their role in the life of the human body?

1) vitamins – biologically active organic substances required in small quantities;
2) they are part of the enzymes involved in the metabolism;
3) increase the body’s resistance to adverse environmental influences, stimulate the growth, development of the body, restoration of tissues and cells.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.