"We work with him whenever he has a film to get ready for, which is quite often. Right now for the movie he's doing, 'Water for Elephants,' we're working with him on that. He's a great client, works hard. Again, not someone who naturally is someone who grew up working out and going to the gym, but it's part of his job and part of looking good and feeling good."
Why his diet appeals to the celeb clientele:
"It requires the least amount of time for the most amount of results, and the clients that we have, that's what they're looking for. They need to see results, and they don't have a lot of time to see those results. It also has to be sustainable."
Harley's 5-Factor Diet has been a celebrity favorite for quite some time, and his client list includes Miley Cyrus, Robert Pattinson, Lady Gaga, Katy Perry, Seth Rogen, and the Jennifer Hudson.