What Exactly Are Bio-Identical Hormones? Posted on July 27, 2009 by Geoff Lord Posted in hotflushrelief Bio-identical hormones are chemicals extracted from plants that are modified and worked to be structurally identical to human hormones. They consist of estradiol, estrone, estriol, progesterone, testosterone, and dehydroepiandrosterone. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Tumblr (Opens in new window) Tumblr Share on Pinterest (Opens in new window) Pinterest Like this:Like Loading... Related