Calciolisin H tablets represent the natural choice to increase the immune defenses and counteract the most common diseases of viral origin. The mechanism of action of Calciolisin H is very simple: it increases the bioavailability of Lysine, an essential amino acid very similar in its structure to arginine. Vitamin C and Echinacea contribute to the normal functioning of the immune system and the body's natural defenses; Calcium, Magnesium, Vitamin B12 and Vitamin C contribute to the normal functioning of the nervous system, to normal neurotransmission, to the protection of cells from oxidative stress. In addition, Calcium and Magnesium contribute to normal energy metabolism and Vitamin B12 and Vitamin C to the reduction of tiredness and fatigue. CALCIOLISIN H tablets is part of the FDL 'La Farmaceutica Dr. Levi' product line, an Italian company present on the market for more than 25 years, whose philosophy has always been to formulate supplements with high quality natural active ingredients that work in synergy between them to ensure effective products at affordable prices. If you want further information on the product and its active ingredients, call Dr. Levi directly at the company headquarters.