While doing cardio is great Andro Stack X for fitness, too much of it may negate your attempts to build muscle through strength training. For building muscle, focus on your strength-training efforts. Always do compound exercises so you can have the most muscle growth possible. These exercises work multiple muscle groups simultaneously. For example, bench presses exercise your triceps, chest and shoulders all at once. Eat tons of protein when you're attempting to add muscle. Protein is a chief building block of muscle, and consuming not enough of it may cause you to have less muscles, which kills the reason of trying to bulk up.