What are Beta Glucans?Beta glucans are a type of fiber found in the cell walls of mushrooms, yeast, grains such as oats and barley. They are long-chain polysaccharides made up of glucose molecules. The beta glucan fibers found in mushrooms are called beta-D-glucans.Health Benefits of Beta GlucansBoost Immune FunctionBeta glucans are known as biological response modifiers because they work to...