[mochaccino]

Soy can sometimes work, but only if you are a strong equol producer. Equol is a very strong phytoestrogen that is made from some of the weaker phytoestrogens in soy, but only in the bodies of certain people. A lot of Asians have the genetic ability to produce equol from soy, but even among equol producers there are some who produce large amounts of equol and others who produce very little. Most people of European descent can't produce equol from soy at all. If you really want to try soy for BE, I would try taking a large dose of pure soy isoflavones for 2 or 3 weeks, and if you don't feel anything at all, whether good or bad, then you're probably not a strong equol producer, and continuing with soy might be a big waste of time.

If you're just trying to raise estrogen by a large amount, than PM is the obvious choice, but BO is also a possibility.