Isolation and structural elucidation of flibanserin as an adulterant in a health supplement used for female sexual performance enhancement.

A health supplement used for female sexual performance enhancement was sent to Health Sciences Authority of Singapore for testing. An unknown compound was detected and isolated from the health supplement and its structure was elucidated using LC-DAD, LC-FTMS, NMR and IR. The detected compound was identified to be flibanserin, a non-hormonal treatment developed for pre-menopausal woman with hypoactive sexual desire disorder (HSDD).