Some aromatase inhibitors (AI) are estrogenic

I have long suspected this considering the peculiar side effects of some AI drugs, but was not able to find concrete evidence…until now. The study below demonstrates that one of the most widely used AI – anastrozole – is a potent estrogen receptor activator/agonist, and at low concentrations too. At higher concentrations, the estrogenic effects … Read more Some aromatase inhibitors (AI) are estrogenic