Lactobacillus gasseri KS-13
Lactobacillus gasseri KS-13 has been studied primarily in combination with other strains, making strain-specific conclusions difficult to draw from the available evidence. Two randomized controlled trials, one published in 2015 and one in 2017, evaluated a three-strain combination (KS-13 with Bifidobacterium bifidum G9-1 and Bifidobacterium longum MM-2) in older adults and in individuals with seasonal allergies, examining inflammatory cytokine profiles and allergy-related quality of life as outcomes; the multi-strain design means these outcomes cannot be attributed to KS-13 alone. Strain-specific human evidence for L. gasseri KS-13 is limited. These are research topics, not findings; the papers do not establish that this strain treats or prevents any condition.
Where it's been studied Tags come from a conservative keyword scan of each paper's title, abstract, and summary. A tag is research coverage, not measured effect. How we classify this →
Share of this strain's 2 body-system-tagged papers that concern each system. Research coverage, not measured effect.
Symptoms in the research A tag means the paper's text names the symptom or condition — research coverage, not evidence of benefit. How we classify this →
Share of this strain's 1 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
3 papers reference this strain in the probiotic database.
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Citations
Selected papers that name this strain.
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[1]
PMID 25909149 →Lactobacillus gasseri KS-13, Bifidobacterium bifidum G9-1, and Bifidobacterium longum MM-2 Ingestion Induces a Less Inflammatory Cytokine Profile and a Potentially Beneficial Shift in Gut Microbiota in Older Adults: A Randomized, Double-Blind, Placebo-Controlled, Crossover Study· Journal of the American College of Nutrition · 2015