Japan Pharmaceutical Industry

Japan Pharmaceutical Industry Co., Ltd. (Nihon Seiyaku Kogyo) is a Japanese pharmaceutical and nutraceutical company specialized in over-the-counter (OTC) drugs, health foods, and traditional herbal medicines (Kampo). Founded in 1947 and headquartered in Komaki, Aichi Prefecture, the company is a member of the NHC Group and operates under a mission to support healthy lifestyles through products derived from natural materials. Its core pharmaceutical portfolio includes circulatory treatments such as Seishingen and nutritional tonics like Okisopin Z, which incorporate rare animal and plant extracts such as bezoar and ginseng. The company maintains GMP-certified manufacturing capabilities in Aichi and has expanded into specialized health ingredient production at its Kitami plant in Hokkaido, focusing on fermented products like black garlic.