NATURES HERBS MAITAKE MUSHROOM HERBAL SUPPLEMENT 100 CP Premium Quality Herbal Supplement. Nature's Herbs Maitake Mushroom is cultivated in China. Classified as a polypore, which is a mushroom without the common feature of a singular cap and gills, Maitake has multiple branching stems with flowering ruffled caps. The naturally-occurring polysaccharides in Maitake include beta-D-glucan fraction, which is believed responsible for Maitake's benefits. Our exclusive FreshCare System inhibits normal plant oxidation, maintaining product potency and extending freshness. It includes all-natural antioxidants in each capsule, oxygen-absorbing packets in each bottle, special air-tight seals and amber glass packaging for uncompromised quality. Unconditional product guarantee: Nature's Herbs unconditionally guarantees this completely natural product to your satisfaction. Nature's Herbs products are non-irradiated.