Table 3.
FDA Approved Weight Loss Medications and Their Efficacies
| Drug | Year Approved | Dosage | Dosage form | Placebo-subtracted weight loss (%) |
|---|---|---|---|---|
| Semaglutide | 2021 | 2.4 mg once weekly | Injection | 12.4 |
| Phentermine-Topiramate | 2012 | 15/92 mg once daily | Oral | 8.6 |
| Liraglutide | 2014 | 3 mg daily | Injection | 5.4 |
| Bupropion-naltrexone | 2014 | 360/32 mg once daily | Oral | 4.8 |
| Phentermine | 1959 | 30 mg once daily | Oral | 4.4 |
| Orlistat | 1999 | 120 mg three times a day | Oral | 3.8 |
[52]