A. In order to gain muscle mass and weight, one needs to be very disciplined as it is a complex process that requires a proper diet, a well-planned workout routine, and more importantly, time for muscle development. Duration is dependent on genetic makeup, medical history, and existing health conditions. It can take 2-3 months to start seeing visible changes in stamina and athletic performance. Having Herbobuild capsules along with a healthy balanced protein-rich diet with regular workouts can help you attain faster results!