The use of energy and basic substances by the body requires, in addition to proteins, carbohydrates and lipids in addition to the intake of vitamins and minerals. Metabolisms of vitamin C, vitamin D and calcium are closely linked, especially with regard to bone. Of the minerals, calcium is most closely related to the metabolism of vitamins. Cal-C-Vita increases the body's performance and resistance to disease. Increased need for tissue nutrients during development, pregnancy, breastfeeding, the course of various diseases. recovery, old age, special physical and mental efforts, in winter. To increase the body's resistance in case of infections. For children over 12 years of age and adults, it is recommended to take an effervescent tablet which is dissolved in a glass of water, preferably in the morning or on the advice of a doctor.