Some researchers believe boron to have estrogen-like properties, while other researchers claim boron to have testosterone-like properties, referring to reports of hair loss in males after its supplementation. While most studies present evidence of both, boron does not seem to offer any benefits with menopausal symptoms, so it appears that the estrogen testosterone ratio would be in favor of a testosterone dominance, which is also supported by the fact that boron lowers manganese, which does have proven estrogen-like attributes... Full Text