Marshmallow Root is a perennial herb native to Europe, West Asia, and North Africa. It has traditionally been used as a folk remedy for thousands of years and may support digestive, respiratory, and skin health.Double Wood s Marshmallow Root supplement is not an extract focused on maximizing one compound in Marshmallow Root, but is a whole root powder consisting of dried and powdered roots. This allows the preservation of all of the different beneficial compounds in Marshmallow Root.