Sunkist® Orange Soda Diet. Flavored with other natural flavors. 0 calories per bottle. 20 fl oz (1.25 pt) 591ml. Manufactured by a bottler under contract with Beverage Distribution Center, Inc., Pennsauken, NJ 08110. Diet Sunkist is a registered trademark of Sunkist Growers, Inc., USA used under license by Dr Pepper/Seven Up, Inc. Caffeine content: 68mg/20 fl oz. Please recycle. Consumer comments 1-866-DRINK-ORANGE. sunkistsoda.com. ©2016 Sunkist Growers, Inc. and Dr Pepper/Seven Up, Inc.