There are two ways on how weight loss pills are available, through prescription or buying in your local pharmaceutical store or supermarket.

Prescription diet pills are required by FDA and other Food and Drug International Agencies, to be regulated and other strict supervision of a physician. Most of this prescription medication have a direct effect in the central nervous system.

Abuse of these medicines is fatal. Most doctors recommend prescription weight loss pills because the risks outweigh the cure. Obesity is actually a global problem, and using powerful medicines to combat the problem is a better solution.

When are prescription diet pills useful?

First, is when the patient has 27 BMI and are diagnosed as obese.

Secondly, if the person is equal or over 30 BMI and does not have any obesity problems, the physician usually makes use of prescribed weight loss drug to avoid complications in the future.

Types of prescription medication

First are they which have a direct effect on the central nervous system, those are your brain and spinal cord. Examples are medicines working on the following: serotoninergic and noradrenergic pathways or both at the same time.

Examples still in used and are not banned prescription over the counter phentermine amazon weight loss pills are: phentermine, amfepromone (diethylproprion), sibutramine, and fluoxetine.

The second type of prescription weight loss pills are medicine working on the in the stomach “gastrointestinal system”. Examples are Orlistat (known as Alli or Orlistat) and Metformin. How can they make you lose weight?

The first type of prescription medication which directly acts in your central nervous system; it suppresses the appetite. Examples are Fluoxetine, Phentermine, Diethylproprion (amfepromone) and Sibutramine.

The second type of prescription diet pills are those working on your gastrointestinal enzymes, usually they act as fat blockers, it releases fat as soon as it is blocked, examples are Metformin and Orlistat.