Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Probiotics, which are live microorganisms that confer health benefits when consumed in adequate amounts, have growing scientific support for their use in supporting certain aspects of the reproductive system, particularly women's reproductive health. Clinical studies and systematic reviews indicate that probiotics, especially strains of Lactobacillus, play a role in maintaining a healthy vaginal microbiota. This is important because a balanced vaginal flora dominated by lactobacilli helps prevent infections such as bacterial vaginosis and vulvovaginal candidiasis, which can negatively impact reproductive health and fertility.

Meta-analyses (e.g., Huang et al., 2014; Grześkowiak et al., 2015) have shown that probiotic supplementation can reduce the recurrence of bacterial vaginosis and improve symptoms. Additional research is exploring the potential for probiotics to support fertility by improving the vaginal and endometrial environment, though evidence here is still emerging and not as robust. There is limited but promising evidence for probiotics in supporting male reproductive health, mainly through potential anti-inflammatory and antioxidant effects, but this area requires further study.

Overall, while probiotics are not a cure-all for reproductive issues, there is moderate scientific evidence supporting their use for maintaining or restoring a healthy vaginal microbiome, which is a key component of reproductive system health. Evidence for broader reproductive benefits is less established and warrants further investigation.

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