Yes, a number of foods are eliminated from the diet, especially the dairy, bread, pasta, grains, starchy food
and vegetables and sugar. Also, the ketogenic diet's
severe carbohydrate restrictions made it difficult to produce palatable meals, leading to problems with compliance.
Medium-chain triglycerides (MCT) diet was discovered in the 1960s wherein they utilize the MCT because of its more ketogenic property and high caloric content.