Kikkoman Naturally Brewed Soy Sauce is available in a gluten-free version. Naturally Brewed Tamari Gluten-free Soy Sauce can be used in any recipe as a substitute for our other sauces because it’s no less versatile and delicious than the original. And since everyone loves its great taste – even people who can eat gluten – there’s no need to use two different sauces when you cook.