The most popular low carb diet at the moment is the Keto diet. Some other popular types of low carb diets are the Paleo diet, the Atkins diet, the Whole30 diet, and the South Beach diet. What are Carbs? Carbohydrates, or carbs for short, are a type of macronutrient. Macronutrients are types of nutrients that your body needs in large amounts to survive, the other two types are protein and fat. Carbs are made up of sugar starched and fiber. Your digestive system breaks down carbs into glucose, and then your bloodstream absorbs the glucose and uses it as energy to fuel the body. There are different types of carbs,…