Heinonen S.M., Hoikkala A., Wahala K., Adlercreutz H. (2003) Metabolism of the soy isoflavones daidzein, genistein and glycitein in human subjects. Identification of new metabolites having an intact isoflavonoid skeleton. J Steroid Biochem Mol Biol 87:285-99 PubMed (14698210)

Compound Mean content
Daidzein 48.4 mg/bar
Genistein 40.2 mg/bar
Glycitein 4.1 mg/bar