Natural and artificial flavor. 16 g protein; 160 calories; 27 vitamin & minerals. Gluten-free. 75% more protein than ensure original (Ensure High Protein: 16 g protein per 8 fl oz; Ensure Original: 9 g protein per 8 fl oz). No. 1 Doctor recommended brand. Nutrition for strength and energy to help stay active. Ensure.com. Call 1-800-986-8727; or visit Ensure.com for more information. From the #1 doctor-recommended brand, Ensure High Protein nutritional shakes provide targeted high-protein nutrition to help you stay active and energetic. Each delicious shake has 16g of high-quality protein, 2g of fat, 27 essential vitamins and minerals, and 160 calories. * 75% more protein than Ensure Original. Ensure High Protein, 16g protein/160 calories per 8 fl oz versus Ensure Original, 9g protein/220 calories per 8 fl oz. * Not for people with galactosemia.