Lacticaseibacillus rhamnosus
Lacticaseibacillus rhamnosus, most widely studied as the GG strain, has an extensive research record, though the evidence base in this index is predominantly in vitro and animal-model work. Laboratory studies have examined intestinal barrier integrity and antimicrobial activity against certain pathogens, including mechanisms such as bioactive peptides and pilus-mediated adhesion. A 2022 scoping review examined supplementation effects on children's health across food and non-food delivery formats. The broader clinical picture remains early-stage, and findings from cell and animal studies do not establish proven human health outcomes. 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 2,746 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 1,066 symptom-tagged papers that mention each symptom or condition. Research coverage, not evidence of benefit.
+17 more symptoms
Research Study-type filters use AI-classified labels, audited but not guaranteed — check the paper itself before leaning on one. How we classify this →
5597 papers reference this strain in the probiotic database.
Discussion
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Citations
Selected papers that name this strain.
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[1]
Source →ROLE OF LACTOBACILLUS RHAMNOSUS PROBIOTIC IN THE TREATMENT AND PREVENTION OF RECURRENCE OF BACTERIAL VAGINOSIS· Zenodo (CERN European Organization for Nuclear Research) · 2026
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[2]
Source →Randomized, Double-Blind, Placebo-Controlled Clinical Trial Assessing the Efficacy of Lacticaseibacillus rhamnosus CRL 1505 in Preventing Upper Respiratory Tract Infections in Healthy Adults· Microorganisms · 2026
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[3]
PMID 42076937 →Probiotics Augment the Effect of Non‐Surgical Periodontal Treatment—A Randomised, Double‐Blinded, Placebo‐Controlled Trial· Journal Of Clinical Periodontology · 2026
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[4]
PMID 41971606 →Multi‐Strain Probiotics BLa80, LRa05, and BBr60 Modulate Inflammation, Bile Acids, and Gut Microbiota in Type 2 Diabetes: A Randomized Controlled Trial· Food Science & Nutrition · 2026
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[5]
PMID 42080229 →Impact of Probiotics on Children with Acute Gastroenteritis: Results from an Umbrella Meta-Analysis· Journal of Integrative and Complementary Medicine · 2026
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[6]
Source →Probiotici u pedijatrijskoj gastroenterologiji· Paediatria Croatica · 2026
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[7]
PMID 42138226 →Probiotics in the alleviation of food allergies in infants and young children: research progress· Critical Reviews in Food Science and Nutrition · 2026
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[8]
Source →Current Treatment Strategies and Effectiveness of Adjunct Therapy in the Treatment of Recurrent Bacterial Vaginosis· Digital Showcase Research, Scholarship, & Creative Works (University of Lynchburg) · 2026
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[9]
PMID 41683053 →Improving Lipid Profiles Through Lactobacillus rhamnosus Supplementation in Dyslipidemic Animal Models: A Systematic Review and Meta-Analysis· Foods · 2026
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[10]
PMID 40005019 →Augmenting Cognitive Function in the Elderly with Mild Cognitive Impairment Using Probiotic Lacticaseibacillus rhamnosus CBT-LR5: A 12-Week Randomized, Double-Blind, Parallel-Group Non-Comparative Study· Nutrients · 2025