And the Max Fit Keto public, is swarming to this diet because of its effectiveness in helping people lose weight without hunger. What Foods Make Up The Diet? The Diet, also commonly used interchangeably with the Mediterranean Diet, provides a variety of whole, unprocessed, and fully-satisfying foods. One ingredient you may have heard about with this diet is olive oil. It is true that olive oil, and the fruit, olives, are important staples in the diet meal plan. The olive oil craze came along about the same time the Diet and Mediterranean..