MTS Nutrition VASKY is the SCIENTIFICALLY-DOSED leader in non-stimulant pre-workout meant to be taken as a standalone or with your favorite stimulant based pre-workout such as MTS Nutrition CLASH or Ruckus. VASKY contains Nitrosigine which enhances nitric oxide for an extended period of time, along with HydroMax Glycerol which promotes hyper-saturation of the muscles. With Taurine, added for its positive performance and volumizing effects, VASKY is guaranteed to help you achieve the greatest pumps and best workouts you've EVER had!