Popular Brands of Phentermine: An Overview BySally Cohen Updated onMay 12, 2023 If you are about to start your weight loss journey, you might be wondering about the different phentermine brands on the market.Below we list all popular options currently prescribed in the United States. We also included well-known brands from Mexico and Chile for our readers from Latin America. LEARN ABOUT PHENTERMINEGet your FREE Phentermine Guide!Learn more about popular brands, dosage, side effects, results, and weight loss alternatives.Get my eBookTable of ContentsPhentermine brands available in the United StatesAdipexQsymiaLomairaGeneric PhentermineSuprenzaIonaminBrands you may get in Latin AmericaAcxionTerfamexSentisPhentermine brands available in the United States AdipexAdipex is the most popular brand of phentermine weight loss pills in the United States. The standard dose of Adipex is 37.5 mg, taken once daily. QsymiaQsymia contains a combination of phentermine HCl and topiramate extended-release. It is currently available in 4 different doses. LomairaLomaira 8mg is the smallest dose of phentermine available on the market. It is a low-dose tablet that patients can take up to three times per day. Generic PhentermineMost US prescriptions are filled with generic phentermine pills. They function similar to brand-name drugs but cost significantly less. SuprenzaSuprenza was a phentermine-based orally disintegrating tablet (ODT) that was removed from the market in 2018. IonaminIonamin was a weight loss medication that contained phentermine resin as its active ingredient. Ionamin is no longer sold in the US.Brands you may get in Latin America AcxionAcxion is a popular, Mexican brand of phentermine. It contains phentermine hydrochloride and is available in two doses: 15mg and 30mg. TerfamexTerfamex is a Mexican brand of phentermine weight loss pills. It is available in both capsule and orally disintegrating tablet (ODT) form. SentisSentis is a popular brand of phentermine weight loss pills sold in Chile.Discover Phentermine Brands.Adipex-PQsymiaLomairaIonaminSentisAcxionTerfamexGeneric