Table 1
Active ingredient
| Active ingredient | Approval status in Japan | n (%) | Classification |
| Sibutramine hydrochloride | Not approved | 42 (51.2) | Prescription medicine |
| Orlistat | Not approved | 15 (18.3) | Prescription medicine: 10 |
| Over the counter: 5* | |||
| Rimonabant | Not approved | 2 (2.4) | Prescription medicine |
| Benfluorex | Not approved | 2 (2.4) | Prescription medicine |
| Lovastatin† | Not approved | 2 (2.4) | Prescription medicine |
Pachyma hoelen (  ) | Approved | 14 (17.1) | Over the counter |
Ophiopogonis tuber (   ) | Approved | 3 (3.6) | Over the counter |
Rhei rhubarb (  )† | Approved | 1 (1.2) | Over the counter |
Dai dai hua (  ) | Approved | 1 (1.2) | Over the counter |
| Total | 82 (100.0) |