Orthomol Pro fem – vaginal flora in balance Orthomol Pro fem contains a combination of selected lactobacilli and riboflavin (vitamin B1) . The lactobacilli it contains are tailored to the needs of the female vaginal flora and, when taken orally, can help support the natural balance of the vaginal flora. Lactobacillus acidophilus CBT LA1 Lacticaseibacillus rhamnosus CBT LR5 Limosilactobacillus reuteri CBT LU4 Lacticaseibacillus rhamnosus CBT LR6-feminine Lactobacillus gasseri CBT LGA1 Riboflavin also contributes to the maintenance of normal mucous membranes, such as the vaginal mucosa .