First, weight loss pills are divided into two major groups - prescribed or over-the-counte

Another, probably the most widespread pills are appetite suppressants. These pills take away the desire to eat and allow you to keep down the fat consumption. Most of prescription drugs are suppressants, like Phentermine, Meridia (sibutramine), Acomplia and several other brands. Appetite suppressant

Another type of weight loss pills is gaining more popularity due to more safe and healthy effect comparing with others - fat blockers. Among prescription drugs it is Xenical, blocking fat by affecting lipase enzymes responsible for fat absorption. It helped many people lose weight along with good dieting regime, but it's side effects include abdomen discomfort, diarrhea, and the inability to absorb a lot of important fat-soluble vitamins and other nutrients.