Nutrition Care Golden Seal 1:4 is a practitioner-only, alcohol-free liquid herbal extract prepared from the root and rhizome of Hydrastis canadensis (Golden Seal) at a 1:4 extraction ratio. Traditionally used in Western Herbal Medicine, Golden Seal supports immune system health and helps relieve symptoms of mild upper respiratory tract infections. It is also traditionally used to support healthy digestive function and soothe inflamed mucous membranes.