On the next season of

His transformation comes after a decade of weight gain. “Over the course of ten years I gained 50 pounds, which is a ton of weight, but if you think about it, it’s five pounds a year, which is less than half a pound a month,” he told People. “It just kind of gradually went on and on and on.”

Since June, he made his diet more plant-based, and started intermittent fasting three days a week, and on those days he fasts for 16 hours. He also drinks much less beer and opts for healthier options over junk food when he has to have a late-night snack. Once a week, though, the chef has a cheat day, but still watches his portions.

Santos said he tried intermittent fasting because he had friends who had good experience with it. “And you know, if it works for The Rock, then I got to give it a shot,” he told People.

He also has been running, and finished his first 5K race. “I’m going to keep running one every other month for a while until I can do a 10K,” he told the magazine. “I’m not going to sit here and say that my goal is a marathon, but I’m not going to say that it’s not.”