All natural ingredients. Since 1897. Gluten free. There really was a Peter Koops, a young Dutch adventurer who left his shipping business in the Netherlands for a new life in America. He began with a hand-crank mustard mill and a horse-drawn cart, selling mustard by the ladle to loyal customers. Our packaging and delivery systems have changed since then, but our carefully made stone-ground recipes are the same. www.koopsmustard.com. Product of USA.
Vinegar, Water, Mustard Seed, Salt, Turmeric, Paprika.