GF Fermentech, Inc. is a South Korean biotechnology company specializing in the production of bioactive materials through fermentation, biotransformation, and purification technologies. With over 20 years of experience, the company is known for its microbial strain development and offers a range of healthcare ingredients such as Nattokinase (Ultra Nattokinase), Vitamin K2 (MediQ7), and Superoxide Dismutase (GF B SOD). These products are used in dietary supplements, functional foods, and cosmeceuticals.