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Fertility analyses

Evidence summaries on fertility built from PubMed studies, each with a certainty grade and full source list.

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Analyses

Not gradedFertility
Which probiotic strains help with fertility?
Certain probiotic strains, particularly Lactobacillus and the strain CECT5713, show potential benefits for fertility, especially in cases of unexplained infertility and male infertility. Evidence for other strains or combinations is limited or mixed.
10 sources24 Jul 2026