Since 1969. Traditionally used to soothe digestion. Traditionally Used to Soothe Digestion: Marshmallow is native to Europe, western Asia, and the northeastern region of Africa. It grows in uncultivated, sandy soil, often on the banks of rivers and marshes. At Nature's Way, we believe nature knows best. That's why our mission is to seek out the best herbs the earth has to give. It's the way we deliver uncompromising quality and help you live healthier. Quality Global Sourcing.