Yeast fiber boosts flu shot? study tests immune power in older adults
NCT ID NCT05074303
First seen Nov 06, 2025 · Last updated May 14, 2026 · Updated 36 times
Summary
This study looked at whether a dietary fiber from baker's yeast (beta-glucan) can improve how well the flu vaccine works in healthy adults aged 50 and older. 78 participants took either the supplement or a placebo before getting their flu shot. Researchers measured antibody levels and tracked flu and COVID-19 cases to see if the supplement boosted immune protection.
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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.
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Locations
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Food Science and Human Nutrition Department, University of Florida
Gainesville, Florida, 32611, United States
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