One-A-Day Professional contains 12 types of vitamins with an increased B-vitamin complex and 1000 mg of vitamin C per serving to support the immune system during or after exercise. It also includes 9 types of minerals and 5 types of plant substances with extracts of Boswellia serrata, Rhodiola rosea and ginseng, as well as rosehip powder and elderflower powder. Lactose-free Gluten free Sugar-free 30-day supply. Increased amount of B-complex vitamins compared to BioTechUSA One-A-Day multivitamins. Lactose-free: <0.1 g lactose/100 ml in the ready-to-drink product. Gluten-free according to European Union regulations. Make sure your body gets all the essential nutrients!