Pre-Workout. Increase Nitric Oxide. Improve Endurance. Maximize Strength. Force Factor is a powerful premium growth enhancing hemodilator that has been scientifically formulated to boost Nitric Oxide levels in the body. The L-Arginine enhancement in Force Factor, along with Force Factor's proprietary blend of all natural, high quality ingredients, increases the body's energy, strength, and endurance levels by stimulating the natural production of Nitric Oxide, a critical player in the recovery and renewal process. The result is a dramatic increase in muscle size, power output, load capacity, and a perpetually pumped up physique.