Dr. Nanba's Maitake Beta-Factor(TM) by Planetary Herbals contains Dr. Nanba's unique MaitakeGold 404(R) beta-glucan fraction, the fully mature fruiting body and mycelium. This provides a complete spectrum of maitake activity.
Consists of MaitakeGold 404(R), which is a registered trademark of the Tradeworks Group, Inc., U.S. Patent No. 5,854,404.