"Mushrooms4Life Reishi Mushroom supplement is 100% dual extracted to provide the highest levels of key active nutrients unique to the reishi mushroom. Grown on duanwood for a superior array of key nutrients and combined with hot water and ethanolic extracts. This Reishi supplement guarantees a minimum of 30% polysaccharides and 2% triterpenes. Mushrooms4Life is naturally gluten, dairy and soya free and suitable for vegetarian and vegan diets."