With other natural flavors. 30 calories per bottle. Non carbonated. Why drink Hydrive Focus Formula? So you can ace that test without cheating. Focus Formula: 200% DV vitamin B6; 100% DV vitamin B3, B5, B12; 5 mg guarana; 5 mg panax ginseng; 6 g sugar - 30 calories; 160 mg caffeine. Caffeine Content: 160 mg/bottle.