Phentermine can be used independently and goes by the brand name Adipex-p. Buy phentermine online, a stimulant prescribed for weight loss medication; it stimulates the central nervous system, increasing heart rate and blood pressure and reducing your appetite. It is available in the generic form used to treat obesity, and it is only used for short-term treatment of obesity which aids in weight loss in very obese and overweight people with certain health risk factors. It is approved by the FDA, similar to that of the stimulant drug amphetamine, and it is available only with a prescription