Glucerna shakes are delicious grab-and-go meal or snack replacements designed for people managing their blood sugar. Glucerna Shakes have CARBSTEADY, unique blends of slow-release carbohydrates to help manage blood sugar, (Designed to help minimize blood sugar spikes compared to high-glycemic carbohydrates.) as well as 10 grams of protein, 180 calories, and essential vitamins & minerals. They are suitable for lactose intolerance and are gluten-free. Glucerna is the No. 1 brand recommended by doctors for people with diabetes.