.09 oz packet add to 16.9 oz water. Ingredients: citric acid, calcium citrate, calcium chloride, ascorbic acid (vitamin C), sucralose, natural flavor, silicon dioxide, gum arabic, niacinamide (vitamin B3), calcium disodium EDTA (to protect freshness), calcium pantothenate (vitamin B5), acesulfame potassium, vitamin E acetate, pyridoxine hydrochloride (vitamin B6), cyanocobalamin (vitamin B12).