KOHJIN Life Sciences

KOHJIN Life Sciences is a Japan-based life sciences and fermentation company focused on manufacturing and marketing yeast-derived food ingredients, health food ingredients, functional ingredients, and certain pharmaceutical-related products. The company leverages longstanding proprietary yeast fermentation and microbiology capabilities to produce branded yeast extracts such as AROMILD, AJITOP, AJIREX, AJIREX NH, and NUCLEAMINE, as well as its glutathione product OPITAC. Its business is centered on commercial production rather than therapeutic drug development, serving food, supplement, cosmetic, and pharmaceutical markets. KOHJIN Life Sciences operates a major production base in Saiki, Oita, and is part of the Mitsubishi Corporation Life Sciences group. The company positions itself at the intersection of food, health, and environment, with fermentation as its core technology.