What is Boost Sx Pro? Boost Sx Pro is natural muscle boosting supplement that has been formulated to boost up your masculine physique and stamina, while promoting healthy muscle growth naturally. The supplement focuses on increasing the crucial male hormone Boost Sx Pro in body that supports healthy muscle growth and increase stamina and strength. The supplement focuses on improving the functions of key areas of your body and enables you to work for extended hours at gym to build lean muscles. It reduces your recovery time and allows you to perform explosive workouts for long hours at gym without getting fatigue as you energy level will increase. It also increases the metabolism of your body to help you burn fat faster. It provides the muscle tissues with sufficient oxygen and nutrients that promotes healthy muscle growth and allows you to gain stronger muscles with simpler workouts.