It's very possible but I'm not entirely sure as to the pathway. Raising free test will definetely increase libido, but it depends on how much T you have, and with women, there's less to choose from, so to speak.
Also, xanthoparmilia works like viagra in that it increase NO2 which increases blood flow to the penis, yet women report increased inensity form viagra as well.
So all in all, it's worth a shot. If nothing else, your man can always use it.