Biotona bio Acerola C? 500 raw is a 100% organic mixture of powder derived from acerola, camu camu and rosehip. * Vitamin C supports the immune system, fights tiredness, and increases iron absorption. In addition, it contributes to the maintenance of a healthy nervous system and protects the cells of the body against free radicals; It also plays a role in the natural formation of collagen, which is essential for the maintenance of normal skin, blood vessels, bones, cartilage, teeth and gums.