Scitron VOLCANO Pre-Workout contains ingredients in accordance with their functions in the Pre-Workout formula. Addition of Citrulline Malate & L-Arginine, amino acids & are precursors of nitric oxide, responsible for vasodilation. The combination of these ingredients provides an effective pump during your workout. It also contains an effective intake of 300 mg of Caffeine in each serving to provide the energy required for your workout. Ashwagandha, Indian ginseng, delivers its benefits for stress & testosterone health.