Beta-Glucan لـ Upper Respiratory Tract Infections

Q: Does Beta-Glucan help with Upper Respiratory Tract Infections?

Based on 13 studies with 2,000 participants, there is strong evidence from multiple clinical trials that Beta-Glucan may support Upper Respiratory Tract Infections management. Our evidence grade is A (Strong Evidence).

Q: How much Beta-Glucan should I take for Upper Respiratory Tract Infections?

Studies have used various dosages. A commonly studied range is 250-500 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Beta-Glucan?

Reported side effects may include Generally very well tolerated, Mild gastrointestinal effects (bloating), Allergic reactions in yeast-sensitive individuals. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Beta-Glucan and Upper Respiratory Tract Infections?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 13 peer-reviewed studies with 2,000 total participants. The overall direction of effect is positive.

Meta-analysis of 13 randomized controlled trials shows yeast beta-glucan may help reduce the incidence, number of episodes, and duration of upper respiratory tract infections compared to placebo. A 16-week RCT with 162 participants found 25% reduction in symptomatic cold infections.

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الخلاصة

Key Study Findings

Randomized Controlled Trial

The anti-infective effect of β-glucans in children.

Dose: 10 mg مقابل: Placebo Outcome: Body weight التأثير: None None

المجتمع المدروس: None

In Vitro

Dry blood spot samples to monitor immune-associated mRNA expression in intervention studies: Impact of Baker's …

Dose: 250 mg/d مقابل: None Outcome: oxidative stress markers التأثير: None None

المجتمع المدروس: None

Randomized Controlled Trial 12 weeks Double-blind

β -Glucan Improves Protective Qi Status in Adults with Protective Qi Deficiency-A Randomized, Placebo-Controlled, and …

Dose: None مقابل: Placebo Outcome: Protective Qi status improvement التأثير: None None

المجتمع المدروس: Adults with Protective Qi deficiency

Meta-Analysis

Effects of yeast β-glucans for the prevention and treatment of upper respiratory tract infection in …

Dose: 95% مقابل: placebo Outcome: None التأثير: OR = 0.345 p < 0.001

المجتمع المدروس: healthy subjects

Randomized Controlled Trial n=69

Soluble and Insoluble Yeast β-Glucan Differentially Affect Upper Respiratory Tract Infection in Marathon Runners: A …

Dose: 250 mL/d مقابل: Placebo Outcome: None التأثير: None None

المجتمع المدروس: URTI patients

Randomized Controlled Trial n=132 Double-blind

Beverage Containing Dispersible Yeast β-Glucan Decreases Cold/Flu Symptomatic Days After Intense Exercise: A Randomized Controlled …

Dose: 250 mL/d مقابل: Placebo Outcome: None التأثير: None p < .05

المجتمع المدروس: URTI patients

Key Statistics

الدراسات

2000

المشاركون

↑

Positive

التقييم

Referenced Papers

The anti-infective effect of β-glucans in children. Review

International journal for … 2024 5 اقتباسات

Dry blood spot samples to monitor immune-associated mRNA expression in intervention studies: Impact of Baker's yeast beta glucan. Other

Methods (San Diego, … 2023 6 اقتباسات

β -Glucan Improves Protective Qi Status in Adults with Protective Qi Deficiency-A Randomized, Placebo-Controlled, and Double-Blinded Trial. RCT

Chinese journal of … 2022 2 اقتباسات

Effects of yeast β-glucans for the prevention and treatment of upper respiratory tract infection in healthy subjects: a systematic review … Meta-Analysis

European journal of … 2021 21 اقتباسات

Beverage Containing Dispersible Yeast β-Glucan Decreases Cold/Flu Symptomatic Days After Intense Exercise: A Randomized Controlled Trial. RCT

Journal of dietary … 2020 27 اقتباسات

Soluble and Insoluble Yeast β-Glucan Differentially Affect Upper Respiratory Tract Infection in Marathon Runners: A Double-Blind, Randomized Placebo-Controlled Trial. RCT

Journal of medicinal … 2020 24 اقتباسات

Effects of Yeast (1,3)-(1,6)-Beta-Glucan on Severity of Upper Respiratory Tract Infections: A Double-Blind, Randomized, Placebo-Controlled Study in Healthy Subjects. RCT

Journal of the … 2019 47 اقتباسات

Effect of a Euglena gracilis Fermentate on Immune Function in Healthy, Active Adults: A Randomized, Double-Blind, Placebo-Controlled Trial. RCT

Nutrients 2019 34 اقتباسات

Baker's yeast beta glucan supplementation increases salivary IgA and decreases cold/flu symptomatic days after intense exercise. RCT

Journal of dietary … 2013 99 اقتباسات

Benefits of oat beta-glucan and sucrose feedings on infection and macrophage antiviral resistance following exercise stress. Other

American journal of … 2009 34 اقتباسات

Effect of BETA 1, 3/1, 6 GLUCAN on Upper Respiratory Tract Infection Symptoms and Mood State in Marathon Athletes. Other

Journal of sports … 2009

Beta-glucan, immune function, and upper respiratory tract infections in athletes. RCT

Medicine and science … 2008 71 اقتباسات

Benefits of oat beta-glucan on respiratory infection following exercise stress: role of lung macrophages. Other

American journal of … 2008 45 اقتباسات

Nutritional strategies to counter stress to the immune system in athletes, with special reference to football. Review

Journal of sports … 2006 94 اقتباسات

Effects of moderate exercise and oat beta-glucan on innate immune function and susceptibility to respiratory infection. Other

American journal of … 2004 107 اقتباسات

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

الجرعات الشائعة

general:: 250-500 mg/day
immunesupport:: 250-750 mg/day

الحد الأعلى: No established UL

الجرعات المدروسة في الأبحاث

الجرعة	المدة	التأثير	ن
10 mg	--	Positive	--
250 mg/d	--	Positive	--
None	12 weeks	Positive	--
95%	--	Positive	--
250 mL/d	--	Mixed	69
250 mL/d	--	Neutral	132
900 mg	16.0 weeks	Positive	299
367 mg	12.9 weeks	Positive	34

أفضل وقت للتناول: On empty stomach for optimal immune activation

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

⚠ Generally very well tolerated
⚠ Mild gastrointestinal effects (bloating)
⚠ Allergic reactions in yeast-sensitive individuals

التفاعلات المعروفة

● Immunosuppressant medications (may counteract immunosuppression)
● Generally few known drug interactions

الحد الأقصى المسموح به: No established UL

استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.

Frequently Asked Questions

Does Beta-Glucan help with Upper Respiratory Tract Infections?

Based on 13 studies with 2,000 participants, there is strong evidence from multiple clinical trials that Beta-Glucan may support Upper Respiratory Tract Infections management. Our evidence grade is A (Strong Evidence).

How much Beta-Glucan should I take for Upper Respiratory Tract Infections?

Studies have used various dosages. A commonly studied range is 250-500 mg/day. Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Beta-Glucan?

Reported side effects may include Generally very well tolerated, Mild gastrointestinal effects (bloating), Allergic reactions in yeast-sensitive individuals. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Beta-Glucan and Upper Respiratory Tract Infections?

We rate the evidence as Grade A (Strong Evidence). This rating is based on 13 peer-reviewed studies with 2,000 total participants. The overall direction of effect is positive.

Related Evidence

مكونات أخرى لـ Upper Respiratory Tract Infections

Vitamin D A Zinc A Vitamin C B Echinacea B Andrographis B Garlic B

الخلاصة السريعة

Evidence Strength92%

High confidence

تفصيل الدراسات

RCT (7)Meta (1)Other (5)

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اعرف كيف تقارن المكونات الأخرى لهذه الحالة.

عرض جميع المكونات لـ Upper Respiratory Tract Infections

اعرف المزيد

إخلاء مسؤولية FDA: لم تُقيَّم هذه البيانات من قبل إدارة الغذاء والدواء (FDA). لا تهدف المنتجات والمعلومات الواردة في هذا الموقع إلى تشخيص أو علاج أو شفاء أو الوقاية من أي مرض. تستند تقييمات الأدلة المعروضة إلى تحليلنا للأبحاث المحكّمة المنشورة ولا تُشكّل نصيحة طبية. استشر مقدم الرعاية الصحية دائماً قبل البدء بأي نظام مكملات.