Adipex is a brand name of phentermine. Many people get confused by this, let us explain a some more about Adipex:
Adipex is a brand name given to the diet pill that contains of the chemical substance "phentermine". Phentermine is the one active ingredient which is what makes Adipex work. A bit like "yeast" is the active ingredient that makes bread rise in Sara Lee bread. Adipex is also known by the name Adipex-P.