Yet could it be popular in home gyms? How about the folks who love Bowflex? Read a Bowflex gyms review and listen to the things they say. Which one works more effectively Bowflex or p90x? See some p90x workout reviews and make up your own mind. Tony Horton, the fitness expert who produced the p90x workout program and the Beachbody program definitely has some strong thoughts regarding what works. His programs are closely linked to complete fitness goals as well as nutrition and dietary adaptations.