“Grobuff FIRE” is the ultimate sports enhancing stack. The combination of ingredients is designed to maximize performance. Whether you are going for maximum muscle growth with Grobuff FIRE, or the ultimate in endurance nutrition with Grobuff Tri-sport, we are introducing the biggest thing in sports supplements since protein powder. Unlike pre-workouts that are heavy on stimulants, Grobuff FIRE optimizes the body's natural production of ENERGY, while inhibiting the body's restrictive processes. The result is the most effective way to energize your workout and push your body beyond anything you have ever experienced. This is not some artificial energy that runs out. This unique blend blocks the lactic acid build up, while enhancing the body’s production of ATP. It feels like an unlimited supply of energy!