Keto Slim Diet Choosing the right diet for you is important. So, here is a look at some of the popular low carb diet options you have to choose from today.The Atkins diet is one of the most popular low carbohydrate diets out there. More than likely you have heard of it. The first two weeks of the diet actually has you eating no carbs at all. Later in the diet you are able to add carbs back into your diet. Then you are supposed to start figuring out how many carbs you can tolerate and still keep your weight down. This diet doesn't focus on any exercise and doesn't focus on calorie restriction either.