Reishi (Gonaderma lucidum) is a mushroom traditionally used to increase longevity and well-being and is also suggested to enhance immune response, balance blood sugar, inhibit tumors, enhance cardiovascular health, balance cholesterol levels, tone kidneys and liver, reduce stress, provide antioxidant protection and may be beneficial in the treatment of HIV, AIDS, hepatitis, nephritis, arthritis, bronchitis, asthma, ulcers, insomnia, allergies, tumors, high blood pressure, and bone marrow disorders. Premium Quality Herbal Supplement. 600 mg each. Nature's Herbs premium Reishi Mushroom (ganoderma lucidum) is derived from the highest quality Reishi Mushrooms obtainable. Reishi Mushrooms have been used in China for at least 2000 years and is known as Ling-zhi. It is also known as "Red Reishi." 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.