Usually this hormone is associated with female reproductive system only. Still, recent studies show that it has important side roles. In males progesterone is produced in testicles converting testosterone into progesterone. It helps to keep our nervous system and brain in good condition. Improving memory and cognitive ability, that many eunuchs after surgical castration have complained about.
From wiki article:
Nervous system
Progesterone, like pregnenolone and dehydroepiandrosterone, belongs to the group of neurosteroids. It can be synthesized within the central nervous system and also serves as a precursor to another major neurosteroid, allopregnanolone.
Neurosteroids affect synaptic functioning, are neuroprotective, and affect myelination.[36] They are investigated for their potential to improve memory and cognitive ability. Progesterone affects regulation of apoptotic genes.
Its effect as a neurosteroid works predominantly through the GSK-3 beta pathway, as an inhibitor. (Other GSK-3 beta inhibitors include bipolar mood stabilizers, lithium and valproic acid.)
Brain damage
Previous studies have shown that progesterone supports the normal development of neurons in the brain, and that the hormone has a protective effect on damaged brain tissue. It has been observed in animal models that females have reduced susceptibility to traumatic brain injury and this protective effect has been hypothesized to be caused by increased circulating levels of estrogen and progesterone in females.[63] A number of additional animal studies have confirmed that progesterone has neuroprotective effects when administered shortly after traumatic brain injury.[64] Encouraging results have also been reported in human clinical trials.[65][66]
The mechanism of progesterone protective effects may be the reduction of inflammation that follows brain trauma.[67]
The full article is here: http://en.wikipedia.org/wiki/Progestero ... ive_system
If there are doctors among us, it would be interesting to hear educated opinion about progesterone effects in eunuchs. Perhaps there are people who have already experimented with it?
It leads me to thinking that it is possible to improve eunuchs energy and brain function with progesterone and erythropoietin without sex drive returning.
I would like to see if BestOfBoth has any opinion