What's the Right Diet for You? A Horizon Special (2015) is a Documentary series that follows this ground-breaking three-part series takes 75 dieters and employs the latest science to fashion a diet tailor-made to counteract the main reason they put on weight. What's the Right Diet for You? A Horizon Special is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of documentary series may also want to explore similar titles below.