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Lactobacillus casei

Lactobacillus casei (usually as Shirota, known as Yakult) is a bacterial strain seen as probiotic.

Our evidence-based analysis on lactobacillus casei features 27 unique references to scientific papers.

Research analysis led by .
Reviewed by
Examine.com Team
Last Updated:

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Human Effect Matrix

The Human Effect Matrix looks at human studies (it excludes animal and in vitro studies) to tell you what effects lactobacillus casei has on your body, and how strong these effects are.
Grade Level of Evidence
Robust research conducted with repeated double-blind clinical trials
Multiple studies where at least two are double-blind and placebo controlled
Single double-blind study or multiple cohort studies
Uncontrolled or observational studies only
Level of Evidence
? The amount of high quality evidence. The more evidence, the more we can trust the results.
Outcome Magnitude of effect
? The direction and size of the supplement's impact on each outcome. Some supplements can have an increasing effect, others have a decreasing effect, and others have no effect.
Consistency of research results
? Scientific research does not always agree. HIGH or VERY HIGH means that most of the scientific research agrees.
Notes
grade-c - - See study
grade-c - - See study
grade-c - - See study
grade-c - - See 2 studies
grade-c - - See study
grade-c - - See study
grade-c - - See study
grade-c - - See study
grade-d Minor Moderate See 2 studies
Raised salivary IgA but not serum IgA in one study.
grade-d Minor Moderate See 2 studies
16 weeks supplementation reduced risk of URTI symptoms in endurance athletes undergoing winter training.
grade-d - - See study
No effect on IgG seen in one study.
grade-d - - See study
No change in white blood cell count in one study.

Studies Excluded from Consideration

  • Confounded with multiple strains[1]

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Things to Note

Is a Form Of

Primary Function:

Also Known As

Yakult

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Click here to see all 27 references.