Also known as: β-glucan, beta-1,3/1,6-glucan, 1,3/1,6 beta glucan, yeast beta glucan, Beta-Glucan (1,3/1,6)
Beta glucan is a soluble polysaccharide found in yeast, mushrooms, and grains that supports immune function by activating immune cells. Multiple clinical studies demonstrate modest benefits for immune response and upper respiratory health.
benefits typically appear after 4-8 weeks of consistent use
Generally well-tolerated across age groups; immunocompromised individuals should consult healthcare provider
We haven’t curated landmark studies for Beta Glucanyet — one-click into the primary literature here. PubMed (RCTs) is usually the highest-signal starting point.
Strong evidence for immune modulation
Other ingredients in the Immune category.
Browse all Immune ingredients →Formulate Research Team. (2026, September). Beta Glucan — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/beta-glucan
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.