Food Supplement based on Vitamin C, Selenium and Zinc. Presentation: 100 tablets of 1800 mg. Net quantity: 180g. Instructions for use: Take 1 tablet a day. 1g. of Vitamin C per tablet. Nutravit Complex: The immune system is the body's natural defense, so we must learn to take care of it, providing the necessary nutrients. Both vitamin C, zinc and selenium contribute to the normal functioning of the immune system and contribute to the protection of cells against oxidative damage. In addition, vitamin C contributes to the normal formation of collagen for the normal functioning of blood vessels, bones, cartilage; and helps reduce tiredness and fatigue.