6/case directions: add ten (10) drops to 8 oz. Of water or other beverage daily as needed, or as directed by your healthcare practitioner. Serving size: ten (10) drops (approx 0.5ml) ingredients: magnesium (as magnesium chloride) 40 mg chloride (as magnesium chloride) 64 mg other ingredients: deionized water and trace mineral complex. 7/11/16