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)

^*Alli (orlistat 60 mg).

^†Available under diet (ダイエット) search/not classified as anti-obesity medicines.