Phentermine By Prescription Only
The following brands are the drug classed variant and available only after doctor consultation and subsequent prescription.
Adipex-P – Immediate Release. Possibly the best known and most prescribed Phentermine brand name. Available in most countries.
Ionamin – Slow Release, available primarily in Australia – Discontinued in North America.
Qsymia – Containing Toprimate. The newest brand name to enter the marketplace, given approval by the FDA in July 2012
Panbesy – An Asian targeted brand focusing on Singapore, Honk Kong and Taiwan