Grand-vit-Iron is a nutritional supplement formulated with vitamins and calcium to enhance body functions. This supplement is used to treat or prevent vitamin and mineral deficiencies resulting from malnutrition or certain diseases in children and adults. Grand-vit-Iron is a multivitamin nutritional supplement that aims to prevent a range of vitamin deficiencies. Grand-vit-Iron provides the daily dose of iron needed to maintain iron levels in the body. It is used to prevent and treat iron deficiency anemia.