Michael T. Murray, N.D. is widely regarded as one of the world's leading authorities on natural medicine.
While Dr. Murray has no affiliation with UltraThistle.com, he does have information about the active ingredient in UltraThistle® (silybin phytosome® or Siliphos®) and the patented Phytosome® process (that makes this form of milk thistle far superior to others) included on his site.
Read what Dr. Murray has to say about: