Solgar Beta 1, 3 Glucans Tablets, one of Solgar’s premium quality products is naturally derived from concentrated yeast cell wall material. Beta glucans are a type of soluble fibre, or naturally occurring sugars, which create the structural components of cell walls in foods containing yeast and fungi. They cannot be produced by the body naturally, so we need to get take them in through our diet. All Solgar products meet our industry recognized “Gold Standard” for excellence. Made using naturally sourced ingredients and innovating since 1947, Solgar is your perfect supplement to good health.