Native to Southeast Asia, shiitake is an important culinary mushroom due to its excellent nutritional profile and has been extensively researched for its unique collection of potent glucans and other bioactive compounds. Mushrooms For Life Organic Shiitake mushroom is a 100% fruiting body extract from shiitake sustainably cultivated in Qingyuan province, China, and grown on organic wood chips. It contains a hot water fruiting body extract to capture the full spectrum of bioavailable polysaccharides and key active compounds. It is organically certified by the Soil Association and is naturally gluten, dairy and soya free and suitable for vegetarian and vegan diets.