Katrine van Wyk, is the author of Best Green Drinks Ever and Best Green Eats Ever. A certified holistic health coach and yoga instructor, she has been featured by Vogue, MindBodyGreen, Refinery29, Forbes, Prevention, Men's Journal, and other outlets. She lives in Brooklyn, New York, with her husband and two children. Frank Lipman, MD, is the founder and director of Eleven Eleven Wellness Center in New York City and a New York Times best- selling author. His books include How to Be Well and The New Health Rules.