Ensure High Protein 16 g is a high-protein nutritional supplement to help you stay active and energetic. Ensure High Protein 16 g is high in protein (16 g) and low in Calories (160 Cal per 235-mL serving). Each delicious drink contains 26 vitamins and minerals. Ensure High Protein 16 g comes in a convenient, ready-to-drink format, making it easy to enjoy when you're on the go and a great way to fuel up. Contains 29% less Calories than Ensure High Protein 12 g.