Ensure powder provides calories, protein & carbohydrates to help you gain or maintain a healthy weight. Ensure is a 1.0kcal/ml, nutritionally complete and balanced powdered milkshake style oral nutritional supplement for people with, or at risk of developing, disease-related malnutrition1. Ensure is a supplement source of nutrition. It is lactose free and gluten free. Not for use in galactosemia. Not intended for use in children unless recommended by a physician or other qualified healthcare professional.