Pasta, rice and other grains, potatoes, and fruits are strictly prohibited. People with pancreatic or liver problems, or problems with fat metabolism should also avoid the ketogenic diet. This is because the diet is so high in fat that it puts added pressure on both organs, which are essential for fat metabolism . Elite Keto Burner Reviews The keto diet is one of a series of fashionable low carb diets that include the Atkins diet, the South Beach diet and the Zone diet. There are hundreds of people selling ketogenic diet plans online and on social media, with big promises of the results to be expected.