Ensure Original contains 220 calories, 32 grams of carbohydrate, 9 grams of protein and 6 grams of fat per 8-ounce serving. It provides 50 percent or more of the recommended daily allowances for vitamin C, vitamin D, manganese and molybdenum and 30 percent of the RDA for calcium.
Ensure Original is used as a snack or an occasional meal replacement. It can be part of halal, kosher and gluten-free diets and is suitable for people with lactose intolerance but not for people with milk or soy allergies. Flavors include vanilla, strawberry, dark chocolate, butter pecan and coffee latte.
In addition to the nutrients already mentioned, a serving of Ensure Original supplies 25 percent of the RDA of 11 other vitamins, including folate, vitamin B-12, vitamin K, pantothenic acid and thiamine. It also contains 25 percent of the RDA of eight minerals, including iron, iodine, selenium, chromium and zinc. Ensure Original contains 200 milligrams of sodium and 370 milligrams of potassium per serving, it contains no trans fats. It is a poor source of dietary fiber, with less than 1 gram per serving.
Abbott Laboratories makes several other Ensure formulas to meet various nutritional needs. These include Ensure Plus, Ensure Complete, Ensure Active Light, Ensure Active High Protein and Ensure Active Heart Health.