Gluten-Free Preservative-Free All-Purpose Seasoning Traditionally Brewed Over 300 Years of Excellence Certified Gluten Free Kikkoman Gluten-Free Soy Sauce starts with just four simple ingredients—soybeans, rice, salt and water. It's then brewed and aged for a rich, savory taste and has the same flavor-enhancing qualities you've come to expect from Kikkoman Soy Sauce. Kikkoman Gluten-Free Soy Sauce is certified Gluten-Free by the Gluten Intolerance Group