Ensure is a powdered milkshake-style oral nutritional supplement that contains 1.0 kcal/ml of complete and balanced nutrients for individuals suffering from or at risk of developing disease-related malnutrition. Make sure the powder has the right amount of calories, protein, and carbs to aid in weight gain or maintenance.FEATURES: Vitamin D helps to maintain normal muscular function; Calcium is required for good bone building; FOS prebiotic to support immunological health; 28 vital vitamins and minerals; antioxidant to enhance immune health