Natural and artificial flavor. 9 g protein, 220 calories. Gluten free. Halal. Ensure original: Bottle size (8 fl oz); Protein (9 g); calories (220). Ensure compact: Bottle size (4 fl oz); Protein (9 g); Calories (220). Easy to drink 4 fl oz! No 1 Doctor recommended brand. Complete, balanced nutrition in half the size! (Compared to 8 fl oz Ensure original). Ensure.com. Call 1-800-986-8727: Visit Ensure.com for more information. Product of the Netherlands.