Tony Horton’s latest workout, Power of 4, just launched on Beachbody on Demand. The 90 day workout program includes 25 unique workouts designed to get you results at home, but does it work? Spoiler ...

Tony Horton knew he was onto something big when he first developed a new, intense exercise program that promised to trade the get-thin-quick schemes for some serious butt kicking. But he never thought ...