Evidence supporting the use of: Bacteria (unspecified)
For the body system: Vagina

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Table of Contents

Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Bacteria, specifically beneficial strains such as Lactobacillus, are scientifically validated for their role in supporting the vaginal body system. The vaginal microbiota is dominated by Lactobacillus species, which produce lactic acid, hydrogen peroxide, and other substances that help maintain a low vaginal pH and inhibit the growth of pathogenic organisms. Numerous clinical trials and observational studies have demonstrated that probiotic supplementation with specific bacterial strains can help restore and maintain healthy vaginal flora, especially following disruptions such as antibiotic use or infections like bacterial vaginosis (BV) and vulvovaginal candidiasis.

Research published in peer-reviewed journals has shown that oral and intravaginal administration of certain probiotic bacteria can reduce the recurrence of BV and yeast infections. For example, a 2014 meta-analysis in the journal Obstetrics and Gynecology showed that probiotics, particularly those containing Lactobacillus rhamnosus and Lactobacillus reuteri, are effective adjuncts in the treatment of BV. The clinical evidence supports their use in promoting a healthy vaginal microbiome, reducing infection risk, and potentially alleviating discomfort related to vaginal dysbiosis.

However, it should be noted that the efficacy depends on the specific bacterial strains used and their method of administration. Not all bacterial supplements are equally effective, and more research is needed to clarify optimal strains and dosing regimens. Nonetheless, the use of beneficial bacteria to support vaginal health is well supported by current scientific literature.

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