when men get older they make less testosterone and in our industrial world men loose it quicker progesterone is the building blocks for testosterone so if he
does not have the building material
how would he build the finished item. its safe and very good for yourself aswell, it has so many benefits for women its mad they dont prescribe it from doctors. well its not mad its economics they cant make any money from it as its not a drug. take a look at this website
http://www.progesterone.co.