Carb Cycling alternates high-carb and low-carb days, typically aligned with workout schedule (high-carb on training days), becoming fitness community strategy (2017-2020) for fat loss while maintaining performance. Popular among bodybuilders and CrossFitters, it required meticulous planning and often led to obsessive food thoughts. Scientific evidence mixed; benefits might simply be calorie cycling.
Sources: Carb Cycling Research Studies, Fitness Nutrition Trends