There are 4 different source of Beta glucan, the beta glucan from fungus source(Sparassis crispa source) is most active and workable Beta-glucan.  It can widely used as food additive, nutrition supplement, and feed additive.

Beta-glucan can be used as feed additives improve the immunity, resist disease, anti-inflammatory, improve intestinal health, reduce stress reaction, and improve reproduction performance of the poultry, ruminant, swine, etc. to replace antibiotics which is prohibited in many countries and areas.