In the capacity of losing weight, the requirement is caloric restriction, irrespective of whether the food intake is healthy or not. Healthy food, however, faci

In the capacity of losing weight, the requirement is caloric restriction, irrespective of whether the food intake is healthy or not. Healthy food, however, facilitates the process, because fiber and protein, and lower insulin responses from sugar restriction, improves satiety and cravings. Coming from a standard westernized diet high in processed foods, you'll probably lose some weight just by changing makeup of diet, but if you're overweight you won't lose all of the excess without sustained caloric restriction.