Dietary Supplement. Naturally & artificially flavored. Caffeine free. Supreme nitric oxide matrix. Powerful pump formula. High Volume is formulated for pump, centered around Arginine Nitrate and L-Citrulline (equivalent Citrulline content of 8 g of L-Citrulline-l-malate). As a caffeine-free pre-workout, High Volume can be taken solo, or stacked with a thermogenic product like Alphamine or Norcodrene for a thermo-pump stack! 36 loaded scoops. Arginine nitrate. L-citrulline. Agmatine sulfate. Ferulic acid. Hydromax. No3-T: Nitrate technology. Ph: 888-885-0195. pescience.com. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.)