The use of weight loss pills is steadily increasing for weight watchers. Theoretically, weight loss can be attained without exercise. Strict control of food intake will allow regular activities to provide the required energy burning. However, this places a severe demand on the will of the person and usually takes longer. Thus, diet pills can help. Appetite suppressants reduce hunger pangs. Fat burners increases conversion of fat to nutrients to fill energy deficits. This prevents the body from taking the energy from muscle tissue.