A 16-pack of Glucerna Original diabetic protein shakes is a case of 16 ready-to-drink, 8 fl oz (237 mL) bottles, designed to support blood sugar management in people with diabetes. Each shake contains a unique blend of slow-release carbohydrates called CARBSTEADY to help minimize blood sugar spikes, along with protein to aid with hunger and muscle health. These shakes are gluten-free and suitable for lactose intolerance, though not for those with galactosemia.