Ensure Original nutrition shakes with 9g of high-quality protein provide easy and delicious complete, balanced nutrition. Our shakes contain protein, vitamins A and D, zinc, and antioxidants (vitamins C & E) to support immune health. This nutritional drink is suitable for lactose intolerance* and gluten-free. Enjoy Ensure as a small meal replacement, with a meal, or as a delicious snack to help maintain proper nutrition. From the #1 doctor-recommended‡ nutritional drink brand. * Not for people with galactosemia. † Contains 68 mg (25% more of the DV) vs 45 mg of vitamin C and 8 mcg (15% more of the DV) vs 5 mcg of vitamin D per serving in previous formulation. ‡ Among doctors who recommend liquid nutritional products to their patients.