Formononetin 7-O-β-D-glucuronide sodium is a metabolite of Formononetin and can be absorbed and metabolized through the intestine [1] [2].
References:
[1]. Xu F, et al. Absorption and metabolism of Astragali radix decoction: in silico, in vitro, and a case study in vivo. Drug Metab Dispos. 2006 Jun;34(6):913-24.
[2]. Jeong EJ, et al. Disposition of formononetin via enteric recycling: metabolism and excretion in mouse intestinal perfusion and Caco-2 cell models. Mol Pharm. 2005 Jul-Aug;2(4):319-28.
References:
[1]. Xu F, et al. Absorption and metabolism of Astragali radix decoction: in silico, in vitro, and a case study in vivo. Drug Metab Dispos. 2006 Jun;34(6):913-24.
[2]. Jeong EJ, et al. Disposition of formononetin via enteric recycling: metabolism and excretion in mouse intestinal perfusion and Caco-2 cell models. Mol Pharm. 2005 Jul-Aug;2(4):319-28.