Question: what are the best fda approved diet pills?
Answer: Orlistat. Brand names: Alli (Orlistat 60 mg) and Xenical (Orlistat 120 mg) ... 
Phentermine and Topiramate. Brand name: Qsymia. ... 
Lorcaserin Hydrochloride. Brand name: Belviq. ... 
Naltrexone Hydrochloride and Bupropion Hydrochloride. Brand name: Contrave. ... 
Liraglutide. Brand name: Saxenda.