✓ No active regulatory warningsFDA MedWatch, EMA EudraVigilance, WHO VigiBase, WADA Prohibited List · 2026-05-29
⚠ Oat ≠ mushroom beta-glucan (different structures, different effects) [1] [2]
⚠ FDA health claim for oat: 3 g/day for cholesterol [1]
⚠ Transplant patients: avoid immune 1,3/1,6-beta-glucan [2]
ℹ️ Not obtained from food. Not applicable — this is not obtained from food in meaningful amounts; supplementation is the practical route.
🔬 Lab interpreter
Recommended test
Lipid panel (oat type)
Lipid panel (oat type)
Reference range / target
TC reduction 5–10%
TC reduction 5–10%
FDA health claim level: 3 g/day [1].
Full lab monitoring ↓⚕ For professionals — confirm ranges against your local laboratory.
Clinical verdict
1 How much do I need?
👤 Adults: Specific dosage data under clinical review
👴 Elderly: Specific dosage data under clinical review
🤰 Pregnancy: See guidance
Oat: food — safe. Immune supplements: limited data [1].
👦 Pediatric: See guidance
Oatmeal: standard pediatric food. Immune supplements: limited data [2].
🏃 Athletes: Standard dose
⚖️ Obesity: Standard dose
Fat-soluble compounds may require dose adjustment in obesity.
🩺 Renal: Consult specialist
Dose adjustment may be needed in renal impairment.
🌱 Vegan: Standard dose
How to take
💊 With food: Oat: as oatmeal/food. Supplements: any [1].
🚫 Avoid: Immune beta-glucan + immunosuppressants [2].
2 Which form?
| Form | Bioavailability | Vegan | Cost |
|---|---|---|---|
| ['Oat beta-glucan (cereal)', '', '3 g/day for cholesterol. FDA health claim [1].'] | Standard | Check label | |
| ['Yeast beta-glucan (Wellmune)', 'preferred (immune)', 'S. cerevisiae β-1,3/1,6-glucan. Most studied for immune [2].'] | Standard | Check label | |
| ['Mushroom beta-glucan', '', 'Various mushroom sources (see individual mushroom entries) [2].'] | Standard | Check label |
3 Common questions
Are all beta-glucans the same? ▼
How much oatmeal for cholesterol? ▼
~1.5 cups cooked oatmeal/day provides 3 g beta-glucan — the FDA health claim level for cholesterol reduction (~5–10% TC) [1].
Wellmune — is it proven? ▼
Wellmune (yeast beta-1,3/1,6-glucan) has multiple positive trials for URI reduction in stressed/exercising populations. It is the most studied immune beta-glucan [2].
4 Clinical evidence
Strong
Oat cholesterol reduction: FDA-authorized health claim — 3 g/day reduces total cholesterol ~5–10% [1]. Dectin-1 immune activation by 1,3/1,6-glucan: well-characterized immunology [2]. HIGH
Moderate
Yeast beta-glucan (Wellmune): reduced URI incidence in multiple trials (marathon runners, stressed adults) [2]. Mushroom beta-glucan: enhanced NK cell activity [2]. Oat satiety: viscous gel formation improves satiety [1]. MODERATE
Insufficient
5 Safety, toxicity & adverse events
Relative
⚠ Autoimmune disease — immune-activating forms (yeast/mushroom β-glucan) may be inappropriate
⚠ Diabetes — soluble (oat/barley) forms lower glucose
⚠ Pregnancy and lactation — limited data on concentrated extracts
🚩 Red flags
● Patient confusing oat beta-glucan with mushroom beta-glucan — different molecules [1] [2]
● Transplant patient on immune beta-glucan [2]
6 Interactions
Drug interactions
Immunosuppressants (1,3/1,6 type only) Moderate
Mechanism: Dectin-1 immune activation. [2]
Effect: May oppose immunosuppression. [2]
Action: Avoid immune beta-glucan in transplant patients [2].
Supplement synergies
Psyllium (for cholesterol) · 5–10 g psyllium
Both are soluble fibers with FDA evidence [1].
Both are soluble fibers with FDA evidence [1].
Probiotics (for immune) · Standard probiotic
Beta-glucan prebiotic + probiotic = synbiotic [2].
Beta-glucan prebiotic + probiotic = synbiotic [2].
7 Regulatory
United States (FDA): Authorized health claim for oat beta-glucan and cholesterol [1].
EFSA: Authorized claims for oat beta-glucan: cholesterol reduction and post-meal glucose [1].
8 References (2)
[1]FDA. Health claims: soluble fiber from certain foods and risk of coronary heart disease. www.ecfr.gov GOVERNMENT Accessed: 2026-05-29
[2]Bashir KMI, Choi JS. Clinical and physiological perspectives of β-glucans: the past, present, and future. Int J Mol Sci. 2017;18(9):1906. doi:10.3390/ijms18091906 REVIEW Accessed: 2026-05-29
9 Related articles
Auto-populated from GMJ Newsroom. Articles tagged "Beta-Glucan".
10 Cite this page
Vancouver: Pkhakadze G. Beta-Glucan — safety profile [Internet]. Tbilisi: PHIG; 2026 [cited 2026 Jun 02]. Available from: https://supplement.ge/ingredients/beta-glucan/
APA 7th: Pkhakadze, G. (2026). Beta-Glucan — Safety profile. Public Health Institute of Georgia. https://supplement.ge/ingredients/beta-glucan/
📋 Editorial information
Author: Prof. G. Pkhakadze, MD, MPH, PhD
Institution: Public Health Institute of Georgia (PHIG)
Affiliation: David Tvildiani Medical University (DTMU)
First published: January 2026
Last reviewed: 2026-05-29
Next review: December 2026
References: 2 cited sources
COI: SupplementIndex receives no funding from supplement manufacturers. All content independently authored by PHIG.
Process: Systematic literature review
📄 License & reuse
Published under Creative Commons Attribution 4.0 International (CC BY 4.0). You may share and adapt for any purpose with attribution.
Pkhakadze G. "Beta-Glucan — Safety Profile." SupplementIndex, PHIG, 2026. https://supplement.ge/ingredients/beta-glucan/ CC BY 4.0.
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Educational and public health purposes. CC BY 4.0. Consult your healthcare provider before starting any supplement. Corrections: info@accreditation.ge. Publisher: PHIG