Fem-dophilus contains two patented and clinically documented probiotic strains Lactobacillus rhamnosus GR-1 and Lactobacillus reuteri RC-14 discovered and developed by Dr. Gregor Reid and Dr. Andrew Bruce at Urex Biotech. Over 20 years of research supports the oral use of GR-1and RC-14 to colonize and protect the vaginal tract.Other products from HerbsPro