Reverse osmosis water, less than 0.5% of: electrolytes (calcium and magnesium lactates and calcium and potassium phosphates), citric acid, natural flavors, vitamins A, C, E, B3, B5, B6, B7 (retinyl palmitate, ascorbic acid, alpha-tocopheryl acetate, niacinamide, calcium pantothenate, pyridoxine hydrochloride, biotin), phosphoric acid, stevia leaf extract, monk fruit extract, zinc gluconate, sodium selenate.