Glucerna Protein Smart nutrition shakes are scientifically designed to help people with diabetes manage blood sugar response.* Our protein shakes have CARBSTEADY, a unique blend of low-glycemic carbohydrates, as well as 30g of protein to support muscle health. Glucerna Protein Smart also contains nutrients for immune system support, like vitamins A & D, zinc, and antioxidants (vitamins C & E and selenium). They make a delicious small meal or snack, are gluten-free and suitable for lactose intolerance.? Glucerna is the #1 nutrition brand recommended by doctors for people with diabetes. * Designed to help minimize the blood sugar spike from consuming Glucerna compared to highglycemic carbohydrates. ? Not for people with galactosemia.