my Owner said:
"to the best of Our knowledge and belief there are no modern studies. however there are instances of it's recomendation in medieval and ancient medicine relating to mare's piss. which with the application of modern knowledge suggested that it was at the very least worth a try. and before anyone thinks We are totally cavalier about this, using similar logic We embarked my alpha on a dietary regime based on first principals and the application of omegas for post traumatic stress disorder and low and behold it turns out that on that one the scientific community has caught up with Us and agrees.
consider the invention and development of asprin and small pox vaccine. somebody has to go first. "
from me: (actually alot of modern hormone medicine is distilled from horse piss)