After three days of eating salads, vegetable juices, and smoothies at a Swiss clinic, Ben Greenfield's cravings for meat subsided.

“especially the first three days because I would see with my family and my wife and and neither of my sons were doing this this protocol so they would get these hefty portions of meat and these wonderful scrambled eggs for breakfast and these cuts of fish and I would sit there next to them and watch them eat this and it was interesting after about three days I I got over the cravings”