“Our bodies have a finely tuned, built-in detoxifying system: It's called our liver, and it can detoxify our bodies better than any cleanse or fast without the unpleasantness and danger of muscle cramps, dehydration, and diarrhea associated with artificial cleanses.”

Canadian personal trainer, motivational speaker, and author

Harley Samuel Pasternak is a Canadian personal trainer, motivational speaker, and author. He is known for working with a range of celebrity clients and for co-hosting ABC's 2012 daytime talk show, The Revolution. His public profile is built around fitness and motivation. As a trainer, he has worked with well-known clients, and as an author and speaker he focuses on health, discipline, and practical advice for living well.