Probiotics may supercharge COVID-19 shots, study finds
NCT ID NCT07610512
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether taking daily probiotic capsules for 4-5 weeks after a COVID-19 vaccine could improve the body's immune response. 138 healthy adults received either probiotics or a placebo. Researchers measured antibody levels and T-cell activity to see if probiotics made the vaccine work better or reduced side effects.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Probiotics (Lactobacillus spp.)
What this could lead to
If probiotics enhance vaccine immunity, this could point toward a simple way to improve vaccine effectiveness.
What could go wrong
This is a small, completed study with no results posted yet. Probiotics may not meaningfully change immune responses, and effects may vary by individual.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Taipei Medical University Hospital.
Taipei, Taiwan