Modulating the human gut microbiome and health markers through kombucha consumption: a controlled clinical study
2024

Effects of Kombucha on Gut Health

Sample size: 24 publication 10 minutes Evidence: moderate

Author Information

Author(s): Ecklu-Mensah Gertrude, Miller Rachel, Maseng Maria Gjerstad, Hawes Vienna, Hinz Denise, Kim Cheryl, Gilbert Jack A.

Primary Institution: University of California San Diego

Hypothesis

Does kombucha consumption affect gut microbiome composition and health markers in healthy individuals?

Conclusion

Kombucha consumption led to modest changes in gut microbiome composition but did not significantly affect biochemical or inflammation markers.

Supporting Evidence

  • Kombucha consumers showed increases in fasting insulin and HOMA-IR.
  • Control group participants had reductions in HDL cholesterol.
  • Significant differences in microbiota composition were observed between kombucha and control groups.

Takeaway

Drinking kombucha might change the tiny creatures in your tummy a little, but it doesn't seem to make you healthier in other ways.

Methodology

An eight-week randomized controlled trial with participants consuming kombucha or a control beverage, with stool and blood samples collected for analysis.

Potential Biases

Self-reported dietary information may introduce bias.

Limitations

Small sample size and short duration may limit the ability to detect significant health impacts.

Participant Demographics

11 male and 13 female participants aged 21-55, all healthy and consuming a Western diet.

Statistical Information

P-Value

0.021

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/s41598-024-80281-w

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