Does phen375 weight loss pills really work to lose weight fast?

Dangerous. Phentermine is a stimulant like methamphetamine. It is addictive, cause irritability, anxiety, sweating, tremor, insomnia and dry mouth. More importantly it increases blood pressure and heart rate. A similar drug called Meridia was withdrawn by the fda after it was shown to cause heart attack and strokes. Unfortunately, the modest weight loss with Phentermine and tenuate is not worth the risks.