From the #1 doctor-recommended brand, 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 light in calories (160 Cal per 235-ml serving), each delicious drink contains 26 vitamins and minerals. Ensure High Protein 16 g is offered in a convenient, ready-to-drink format, making it easy to enjoy when you're on the go and fuel yourself. 29% less calories compared to Ensure High Protein 12 g.