Naturally & artificially flavored. Made with aged vanilla. 10 great tasting calories. Caffeine free. Low sodium. Consumer Comments? 1-866-AW Root Beer. rootbeer.com. Please recycle. Full flavors. Only 10 calories. Let's Play: letsplay.com. A&W Ten has the full flavor of A&W Root Beer with only 10 calories per serving. 10 calories per 12 fl oz serving.