However a dose high enough to prevent hot flashes causes nausea. So its mostly, but not totally, estriol. They prefer to use herbs, or eat a diet high in phytoestrogens. ALL of the above estrogens are produced in the lab no matter what it says on the label. Phytoestrogens or plant estrogens are very weak estrogens and must be taken in large quantities to have an desirable effect.
Some foods have high levels of phytoestrogens.
These compounds are found in soy foods, some beans, flax seeds, and some herbs. The phytoestrogenic compounds are called isoflavones and lignans. See Maca f or natural hormonal balancing. For Maximum Results. All costs shown are approximate.