Smooth & mellow – a true American masterpiece. Gluten Free. USDA organic. Naturally. that’s how our family has always made great-tasting mustard since 1897. This USDA certified organic mustard contains the highest quality seed. Ingredients come from certified organic farms that are pesticide, herbicide and chemical-free. Our founder, Peter Koops, would be proud! Certified organic by Quality Assurance International. Certified gluten-free. www.koopsmustard.com. Product of USA.