Japan Bio Science Laboratory Co. Ltd. (JBSL) is a pioneer in the research and development of functional health foods. They are known for their innovative nattokinase enzyme, NSK-SD®, which improves cardiovascular health, and other ingredients such as Vitamin K2 from natto, Ashitaba, ChalCurb®, and Biozyme. JBSL focuses on creating natural supplements that contribute to a healthier lifestyle.