A clinically validated combination of Lactobacillus rhamnosus GR-1 (R) and Lactobacillus reuteri RC-14 (R) to promote vaginal colonization and comfort.† Pro-Flora (TM) Women's Probiotic contains a clinically validated combination of Lactobacillus rhamnosus GR-1 (R) and Lactobacillus reuteri RC-14 (R) . More than 20 years of clinical research support the use of GR-1 and RC-14 to colonize the vaginal tract and support urogenital health. This unique combination also supports healthy vaginal odor and comfort as well as bowel health and regularity. Proven to colonize the vaginal tract after oral administration. Features acid and bile-tolerant probiotic strains Potency and viability are guaranteed through expiration date Safe to use with conventional options for urogenital health.