Dieters are often faced with the same problem, whether they opt to go the traditional route or make use of diet pills and other weight loss supplements. The problem is hunger. It is very hard to keep from eating when you're hungry all the time. If you are unable to boost your metabolism high enough to combat hunger, then you will not experience any weight loss. However, the addition of appetite suppressants to diet pills and weight loss supplements has helped many people shed those pounds without suffering the pangs of ever-present hunger. Appetite suppressants do exactly what it sounds like – they suppress the urge to eat, sending a signal to your brain that you're stomach is full.