Effect of β -Glucan (Angel Yeast) Compared to a Placebo on Cold and Flu Incidence and Symptoms in an Adult Population—A Double Blind, Randomised Controlled Trial — Oak Academic Publishing
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Effect of β -Glucan (Angel Yeast) Compared to a Placebo on Cold and Flu Incidence and Symptoms in an Adult Population—A Double Blind, Randomised Controlled Trial
RDC Clinical, Brisbane, Australia
,
School of Health Science and Engineering, Shanghai Engineering Research Center of Food Microbiology, University of Shanghai for Science and Technology, Shanghai, China
,
The Hubei Provincial Key Laboratory of Yeast Function, Angel Yeast Co., Ltd., Yichang, China
,
RDC Clinical, Brisbane, Australia
1 RDC Clinical, Brisbane, Australia
2 School of Health Science and Engineering, Shanghai Engineering Research Center of Food Microbiology, University of Shanghai for Science and Technology, Shanghai, China
3 The Hubei Provincial Key Laboratory of Yeast Function, Angel Yeast Co., Ltd., Yichang, China
Background: 1-3, 1-6 β -glucan derived from Baker’s yeast ( Saccharomyces cerevisiae ) has been widely studied for its immune stimulatory capabilities and safety. Previous studies found β -glucan to have efficacy at reducing incidence of URTIs as well as being a low risk for negative side effects. The current study aimed to examine the effects of yeast β -glucan (Angel Yeast) on cold and flu incidences and symptoms in healthy adults. Methods: Two hundred and thirty-one males and females aged 18 to 65 years old supplemented with either β -glucan or a placebo for 3-months. Participants completed a general health questionnaire every 4 weeks and in addition, if participants experienced any cold or flu symptoms, these were recorded daily (along with severity) until resolved or up to 2 weeks. Results: Supplementation with β -glucan reduced the self-reported severity of sore throats and improved sleep quality compared to the placebo group. Conclusions: Yeast β -glucan supplementation appears to be able to help reduce certain symptoms experienced during a cold or flu episode and is safe and well tolerated.
KeywordsBeta-GlucanColdFluBaker’s Yeast
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