S&D Co., Ltd. develops ingredients and medicare materials in South Korea. It offers health functional food materials such as Lindera glauca extracts, rice bran extracts, MPG-6/MPGT, RCS, and xanthorrhizol, along with general functional food materials including seasoning base and raw materials, miscellaneous materials, and organic materials. The company was founded in 1998 and is based in Cheongju, South Korea.