Glucerna products are for use under medical supervision as part of a diabetes management plan. Specially formulated to help meet ADA Nutrition Recommendations and lower A1C levels. Clinically shown to help people with diabetes lose weight when used as part of a structured weight-loss program. Glucerna Shakes have been the #1 doctor- and nutritionist-recommended liquid nutritional product for people with diabetes. 27 vitamins and minerals for Complete, Balanced Nutrition‚®. Uniquely designed carbohydrate blend clinically shown to help reduce postprandial glucose response.