Carb cycling involves varying your carb intake on a daily, weekly or monthly basis. In the most basic format, carb cycling is a planned alteration of carbohydrate intake in order to prevent a fat loss plateau and maintain metabolism along with. Carb cycling is a very strict diet used by serious athletes and bodybuilders who want to drop body fat, get more muscle mass, or store more carbs. What Does Carb Cycling Mean? "There's no formal definition for carb cycling, but the basic principle is that you alter your carb intake based on. Carb cycling involves planned increases and decreases in carbohydrate intake depending on the day. Carb cycling means staggering the amount of carbohydrates you eat, so some days you eat more of them and some days you eat less.