Beta-Glucans are natural bioactive carbohydrates, with those derived from certain yeasts and fungi being known for their ability to support the immune system. Jarrow Formulas Beta Glucan is a high purity extract from the cell walls of a proprietary Baker’s yeast (Saccharomyces cerevisiae) strain with a unique molecular structure comprised primarily of (1,3)-β-linked glucose chains (>75%) and a relatively small number of (1,6)-β-linked side chains.

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