Dr Adams Dandelion & Burdock BittersDr Adam's Dandelion & Burdock Bitters 100 ml Scotland Dandelion & Burdock is a traditional British beverage dating back to the 1300's. It's believed to have been created by the Italian priest, Saint Thomas Aquinas. These two herbs are famed for their medicinal properties, so they are a natural for bitters. A classic, herbal bitter. If you are looking for that traditional bitters flavor, this one is it.