The important aspect of weight loss is diet, exercise and diet pills. All the three work in synergistic to achieve desired results.
Our Body used sugar and carbohydrates from food as an instant source to get energy. The excess energy is stored as fat. This fat causes weight gain. In order to achieve weight loss, we must shed away this excess fat. The stored fat is used by the body when its energy requirements are not met by the sources of energy from the food. The process of utilizing the stored fat is called Thermogenesis.