Try the #1 doctor recommended nutrition shake for people with diabetes.* Each delicious Glucerna Shake has CARBSTEADY®, which includes slowly digestible carbohydrates designed to help minimize blood sugar spikes. Glucerna Shakes Also: •Offer 27 vitamins and minerals for complete, balanced nutrition® •Provide 100% of the Daily Value for vitamin C •Are gluten free and suitable for people with lactose intolerance. Not for patients with galactosemia. *Among doctors who recommend nutritional shakes to their patients with diabetes American Diabetes Association Position Statement: Nutrition recommendations and interventions for diabetes. Diabetes Care.