With CMPLX6 for enhanced mental focus + high performance energy. 160 calories per 12 fl oz serving. CMPLX6- Caffeine, Taurine, Guarana, B6, B12, L-Theanine. No.17, 2013 NASCAR Sunoco Rookie of the Year - Ricky Stenhouse Jr. For consumer info: 1-800-720-2653. Caffeine Content: 122 mg/12 fl oz; 220 mg/22 fl oz. drinkNOS.com. Product of USA.