Here is a link to some of the science behind the Cycle Support product put out by Anabolic Innovations:
http://anabolicminds.com/forum/supplement-articles/48457-saw-palmetto-nettle-root-effective-finasteride.html
http://anabolicminds.com/forum/supplement-articles/48457-saw-palmetto-nettle-root-effective-finasteride.html