“We started with 30 minutes of high-intensity interval training and an hour of weights, seven days per week,” said Fisher. “Then we went to 45-minutes of cardio and two hours of high-intensity interval training, plus weights.”

Walter explained, “I ate oatmeal and egg whites for breakfast. I soon put in ten hours a day, with five hours of cardio. I drank amino acids and glutamine to keep my muscles from breaking down.“