O-Desmethylangolensin (O-DMA) is a phytoestrogen. It is an intestinal bacterial metabolite of the soy phytoestrogen daidzein. It produced in some people, deemed O-DMA producers, but not others. O-DMA producers were associated with 69% greater mammographic density and 6% bone density.
- 1 2 3 Frankenfeld, C. L. (2011). "O-Desmethylangolensin: The Importance of Equol's Lesser Known Cousin to Human Health". Advances in Nutrition. 2 (4): 317. doi:10.3945/an.111.000539.