California Gold Nutrition Beta Glucan 1,3D with BetaImmuneShield™Beta-Glucan from Algae (Euglena gracilis)Highly Purified Beta Glucan 1,3D Extracted from Cell WallSupports Overall Immune System Function*Suitable for Vegetarians and VegansFormulated without Gluten, GMOs, or SoyProduced in a 3rd Party Audited cGMP Registered (Certified) Facility100% Gold Guarantee Beta glucan is a type of soluble fiber polysaccharide that can be found in cereal grains, yeast, some medicinal mushrooms, as well as some types of algae. California Gold Nutrition Beta Glucan 1,3D is a great source of this dietary fiber and when supplemented daily may help promote immune health.*  Beta Glucan Benefits This supplement is formulated with a purified form of beta glucan known as BetaImmuneShield™, which has the highest concentration available of beta glucan with the least amount of impurities. Research suggests that the beta glucan in Beta-ImmuneShield™ may help support overall immune system function and the body’s defense mechanisms.* In addition, it may also help support the cardiovascular system and overall heart health.* California Gold Nutrition Beta Glucan 1,3D contains a purified form of beta glucan derived from the cell walls of algae (Euglena gracilis). It is suitable for vegetarians and vegans and contains no gluten, GMOs, or soy. iTested Verified​