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Phentermine (contracted from phenyl-tertiary-butylamine), also known as α,α-dimethylphenethylamine, is a psychostimulant drug of the substituted amphetamine chemical class, with pharmacology similar to amphetamine. It is used medically as an appetite suppressant for short term use, as an adjunct to exercise and reducing calorie intake... Wikipedia

Manufacturer's Website: Adipex-P                                                                                                                                      Average retail cost: $91/month

Bupropion/naltrexone is a combination drug used for weight loss in those that are either obese or overweight with some weight-related illnesses. It combines low doses of bupropion and naltrexone. Both drugs have individually shown some evidence of effectiveness in weight loss, and the combination has been shown to have some synergistic effects on weight... Wikipedia

Manufacturer's Website: Contrave                                                                                                                                   Average retail cost: $753/month

Methamphetamine (contracted from N-methylamphetamine) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder and obesity... Wikipedia

Manufacturer's Website: Not Available                                                                                                                  Average retail cost: $1,480/month