StackTerminal.Health

BETA

Lactobacillus gasseri

Lactobacillus gasseri is a probiotic strain that supports gut health, weight management, and immune function, with evidence suggesting benefits for visceral fat reduction and modulation of the gut microbiome.

gut-healthweight-managementmetabolic-healthimmune-support
Evidence last reviewed: 20 Apr 2026
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Biomarkers studied
Outcomes directly measured across the evidence records below
Sleep
Sleep Quality (subjective)
Cognitive
Anxiety
Immune
Immune Function
Evidence
5 records
Vaginal health restoration
Chinese women with bacterial vaginosisRCT
PUBMEDModerate

Oral administration of Lactobacillus gasseri TM13, along with Lactobacillus crispatus LG55, helped restore vaginal health in patients recovering from bacterial vaginosis.

Dose: Duration: 30 daysForm: TM13
Improvement in sleep quality
General adult populationMeta-analysis
PUBMEDHigh

Lactobacillus gasseri CP2305 improved sleep quality as measured by the Pittsburgh Sleep Quality Index.

Dose: Form: CP2305
Anxiety and sleep disturbance reduction
Japanese medical students under stressRCT
PUBMEDModerate

Lactobacillus gasseri CP2305 significantly reduced anxiety and sleep disturbances in stressed individuals.

Dose: Duration: 24 weeksForm: CP2305
Reduction in abdominal pain and improved bowel movements
Women with functional constipationRCT
PUBMEDModerate

Lactobacillus gasseri significantly reduced abdominal pain and improved bowel movement frequency.

Dose: Duration: 28 daysForm: CECT 30648
Immune function enhancement
Elderly individualsRCT
PUBMEDModerate

Heat-killed Lactobacillus gasseri enhanced immune function in elderly participants.

Dose: Form: Heat-killed
Forms
Capsule
Commonly used for oral supplementation.
Tablet
Available in heat-inactivated form for specific health benefits.
Powder
Can be mixed with food or beverages.

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