Case Size: 6/0.5 gal. Kikkoman Gluten-Free Soy Sauce offers a savory, umami-rich flavor without wheat, perfect for gluten-free dishes. Kikkoman Gluten-Free Soy Sauce (1/2 gallon) in bulk provides a rich, umami flavor ideal for gluten-free cooking. This soy sauce enhances the taste of stir-fries, soups, marinades, and sauces, offering the same authentic flavor as traditional soy sauce.