Kikkoman Gluten-Free Tamari Soy Sauce is a premium tamari soy sauce with the same rich, savory taste and umami flavor youve come to expect from Kikkoman Soy Sauce. Kikkoman Gluten-Free Tamari Soy Sauce is traditionally brewed from four simple ingredientswater, soybeans, salt and sugar, is Non-GMO Project Verified and is certified gluten-free by the Gluten Intolerance Group (GIG).