Toxins Yes, fungi, such as mushrooms, do have fiber according to the USDA database. <a href="http://nutritiondata.self.com/facts/vegetables-and-vegetable-products/2482/2">http://nutritiondata.self.com/facts/vegetables-and-vegetable-products/2482/2</a> Ann Blanchard OMG this is one of the most shudder-producing videos you???ve done.