If you want to improve your endurance, strength, power, and energy in the gym, then you want to add the Nitro XL pre-workout formula to your bodybuilding routine. It's the only way to take your natural athletic ability to the next level and put on tons of muscle fast. Nitro XL can give you: Explosive energy for aggressive workouts Pounds of lean, dense muscle mass A vein-popping pump that'll turn heads The power you need to train harder and longer than ever before Shorter recovery time so you can train more frequently A reputation for being the most swole bro in your gym Nitro XL uses a state-of-the-art amino acid blend to boost levels of nitrous oxide in your blood. These natural vasodilators deliver more oxygen and nutrients to your muscles during a workout so that they have everything they need to build the maximum amount of newer, stronger muscle fiber - fast! Ingredients include: L-Arginine Alpha Ketoglutarate (A-AKG), L-Arginine Ketoisocaproate, L-Ornithine Alpha Keto Glutarate, Glutamine Alpha Keto Glutarate. Directions: Take 2 capsules of Nitro XL half an hour before breakfast, and another two-capsule dose half an hour before lunch. For the absolute maximum results, limit your intake of caffeinated and carbonated beverages. You should also watch your hydration levels and try to consume at least eight glasses of water per day. Do not take more than 4 capsules per day.