Dietary control refers to the practice of regulating and monitoring one's food intake in order to achieve a specific health goal or maintain optimal nutrition. This can involve limiting certain types of food, tracking calorie consumption, or adhering to specific dietary guidelines such as low-carb, high-protein, or vegan diets. The purpose of dietary control is to ensure that an individual consumes the right balance and variety of nutrients needed for good health while avoiding excessive consumption of unhealthy foods.