A powerful new way to strengthen your immune system. Norwegian Beta 1,3/1,6 Glucan, the world's most extensively studied Beta Glucan, offers you a powerful new way to strengthen your immune system. Developed in Norway by Biotec ASA using a patented extraction method to ensure maximum activity, Norwegian Beta Glucan delivers serious immune system support providing up to 200 times more activity than Echinacea. And, unlike Echinacea, its mode of action is completely understood by modern science. From Norwegian Beta Glucan's ideal particle size to the optimal standardized 750 mg dosage, no Beta Glucan has been the subject of such intensive scientific research.