Beta-Glucan para 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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Conclusión

Key Study Findings

Randomized Controlled Trial

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

Dose: 10 mg vs: Placebo Outcome: Body weight Efecto: None None

Población: None

In Vitro

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

Dose: 250 mg/d vs: None Outcome: oxidative stress markers Efecto: None None

Población: 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 vs: Placebo Outcome: Protective Qi status improvement Efecto: None None

Población: 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% vs: placebo Outcome: None Efecto: OR = 0.345 p < 0.001

Población: 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 vs: Placebo Outcome: None Efecto: None None

Población: 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 vs: Placebo Outcome: None Efecto: None p < .05

Población: URTI patients

Key Statistics

Estudios

2000

Participantes

↑

Positive

Calificación

Referenced Papers

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

International journal for … 2024 5 citas

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 citas

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 citas

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 citas

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

Journal of dietary … 2020 27 citas

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 citas

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 citas

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

Nutrients 2019 34 citas

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

Journal of dietary … 2013 99 citas

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

American journal of … 2009 34 citas

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 citas

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

American journal of … 2008 45 citas

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

Journal of sports … 2006 94 citas

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

American journal of … 2004 107 citas

Dosage & Usage

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

Dosificaciones de uso común

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

Límite superior: No established UL

Dosificaciones estudiadas en la investigación

Dosificación	Duración	Efecto	N
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

Mejor momento para tomar: On empty stomach for optimal immune activation

Safety & Side Effects

Efectos secundarios reportados

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

Interacciones conocidas

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

Ingesta máxima tolerable: No established UL

Consulte siempre a su profesional de salud antes de comenzar cualquier suplemento.Siempre consulte a su profesional de salud antes de comenzar cualquier suplemento.

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

Otros ingredientes para Upper Respiratory Tract Infections

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

Veredicto rápido

Evidence Strength92%

High confidence

Desglose de estudios

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

Comparar alternativas

Vea cómo se comparan otros ingredientes para esta condición.

Ver todos los ingredientes para Upper Respiratory Tract Infections

Más información

Aviso legal FDA: Estas declaraciones no han sido evaluadas por la Food and Drug Administration. Los productos y la información en este sitio web no están destinados a diagnosticar, tratar, curar ni prevenir ninguna enfermedad. Las calificaciones de evidencia presentadas se basan en nuestro análisis de investigación publicada revisada por pares y no constituyen consejo médico. Siempre consulte a su profesional de salud antes de comenzar cualquier régimen de suplementos.