Beta-Glucan
Last updated: February 2026
Sources: Based on official USANA product materials and general nutrition science references.
Evergreen Health International Pty Ltd (Trading as Evergreen Health Life)
What is it
Beta-glucan is a naturally occurring carbohydrate found in certain sources such as baker's yeast, mushrooms, oats, and barley.
In Proglucamune-focused product language, beta 1,3/1,6 glucan from baker's yeast is discussed as part of an immune support formula designed to support the body's natural defences.
- Different beta-glucans come from different sources and are discussed in different contexts.
- In this cluster, the focus is on beta 1,3/1,6 glucan from baker's yeast.
- It is usually explained alongside zinc and mushroom ingredients within immune support formulas.
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Who is it for
It is for people who want to understand what beta-glucan is before reviewing immune support products or ingredient lists.
How to start
Start with the role of beta-glucan as one ingredient in a wider immune support formula, then compare how it is paired with zinc, reishi, and shiitake in product education.
Considerations
Beta-glucan education should stay ingredient-focused and moderate. Avoid stretching ingredient descriptions into treatment or prevention claims.