Search google on the keyword Phentermine- and you will get PhenPlus.com as one of the top results.
They sell a product called Phentramine- which looks like Phentermine. The price is similiar as well. I didn't even notice the slight spelling difference when I placed my order. But I DID notice the crappy herbal pills they sent me.
I called to return them- and was told, by a very rude operator, that all sales were final. I was also told that there was no manager that I could talk to.