It doesn’t really depend on the diet but it is the motivation which lacks as research suggests that people tried more diet plan than the pair of shoes. The reason is that they want results urgently.
If you want my personal opinion about the best diet I have tried so far, then without any doubt, the ketogenic diet is at the top slot because of its best results. But to get the desired results, you have to follow the guidelines carefully. For healthy living keto supplements are useful.