400 mg of Caffeine.Contains an array of synergistic ingredients that includes L-Carnitine, Guarana and Zinc. You're working hard to transform your body, and with a well-balanced diet and regular exercise you're making progress. The brand you trust for sports nutrition quality offers another tool to employ in this effort. ON's Thermo Cuts supports fat metabolism* with 400 mg of Caffeine and an array of synergistic ingredients that includes L-Carnitine, Guarana and Zinc. Four capsules is an effective dose to help you build on what you're accomplishing through diet and exercise. Achieve your results with Thermo Cuts. *Zinc contributes to normal metabolism of fatty acids.