Performing your workouts slower takes more control and sheer strength, and will increase the effectiveness of your workout. Stay focused, and be sure that you are properly performing the exercise.X Nitro Force Eat meat to help build up your muscles. Eat approximately one gram of meat-protein per body pound. This will help you store more protein, and the more protein you have, the more your muscles will grow.X Nitro Force Bench presses, deadlifts and squats are your best exercises.