Reverse diet is known in the fitness space as a reverse diet. It involves slowly increasing calories alongside a good strength training program. The leaner you get, the more your body's trying to keep it. You're not going to be able to see 1% body fat doesn't sound like much. But when you're 10% body fat, if you go down one or go up one, you can see it. Max: There'll be some controversy around this but real world coaches and trainers tell you that this is a winning strategy.