Lactobacillus fermentum KLD
Lactobacillus fermentum KLD is an older-characterized probiotic strain with a small but notable research history. A 1996 randomized controlled trial explored its potential role in small intestinal bacterial overgrowth, and pharmacokinetic studies have tracked its transit behavior through the human gastrointestinal tract. Animal and observational work has also examined gut colonization dynamics and associations with immune tissues such as Peyer's patches. The published evidence for KLD is limited and dates primarily from the late 1990s to early 2000s; contemporary strain-specific data are sparse, and no broad efficacy conclusions can be drawn for human health outcomes.
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 6 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 →
7 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 19719673 →Gastrointestinal microbial community shifts observed following oral administration of a Lactobacillus fermentum strain to mice· FEMS Microbiology Ecology · 2003
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[2]
PMID 11238215 →Association of Lactobacillus spp. with Peyer's Patches in Mice· Clinical and Diagnostic Laboratory Immunology · 2001
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[3]
PMID 10848668 →Pharmacokinetics of Lactobacillus plantarum NCIMB 8826, Lactobacillus fermentum KLD, and Lactococcus lactis MG 1363 in the human gastrointestinal tract· Alimentary Pharmacology & Therapeutics · 2000
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[4]
PMID 9674129 →Development and application of an in vitro methodology to determine the transit tolerance of potentially probiotic Lactobacillus and Bifidobacterium species in the upper human gastrointestinal tract· Journal of Applied Microbiology · 1998