Mushroom Extract; This formulation provides three species of mushrooms that have been part of traditional oriental health practices for 2,000 years; Supplies 100 mg Organic Red Reishi, 100 mg Organic Shiitake & 100 mg Organic MaitakeNatural Source Of Beta Glucans; Reishi, Shiitake and Maitake mushrooms contain naturally-occurring constituents, including the natural polysaccharide known as beta glucansGluten, Wheat & Dairy Free; Solgar Multi-Mushroom Complex is non-GMO, vegan, and free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, preservatives, and colorThe Gold Standard: For over 70 years, Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materialsProduct Description: Solgar Reishi Shiitake Maitake Mushroom Extract may be useful in helping to relieve symptoms of hepatoprotective action, antiviral activity, and beneficial effect on the cardiovascular system, rheumatoid arthritis, chronic fatigue syndrome, and diabetes.