BIONA: 25 years of organic food  ·        Certified Organic & GMO Free ·        Suitable for Vegans ·        BPA Free ·        No Air Miles ·        Ethically & Sustainably Sourced ·        Family Business Our Biona Tamari Sauce has been traditionally brewed without the use of wheat. With its intense and salty flavour, it is ideal to use in everyday cooking, such as; stir fries, dipping sauces, soups, stocks and salad dressings.