Mitoku Nigari is a natural bitterns (coagulant) derived from the Japan Sea. Nigari is a traditional solidifier used in the making of quality tofu. Mitoku natural nigari is derived from sea water and is the mineral-rich residue that slowly drips off moist sea salt and is then sun-dried.

Mitoku's producer, Yoshikawa Co. has been making high-quality Nigari since 1861 and is the oldest nigari maker in Japan. They produce 100% pure, Nigari derived from natural seawater. It is traditionally made whereby all impurities are removed using no extraction chemicals. This creates a pure and natural magnesium chloride nigari. Mitoku Nigari is an easy-to dissolve flake form and yeilds delicious tofu that meets the highest quality food quality standards.