Flavored with other natural flavors. 10 calories per 12 fl oz serving. Electrolytes. Natural caffeine. Caffeine Content: 12 fl oz/122 mg; 22 fl oz/221 mg. Cmplx6: Caffeine, taurine, guarana, B6, B12, L-theanine. Recycle Nos bottles. NRS Nos Rewards Series: www.drinknos.com/rewards.