僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用.Citicoline （CDP-choline, cytidine 5'-diphosphocholine） is a naturally occurring compound that acts as nutrient with a broad spectrum of benefits for conditions associated with symptoms of neurological dysfunction. As an endogenous compound, it is also an essential intermediate in the synthesis of cell membrane phospholipids and its formation is the rate-limiting step in phosphatidylcholine synthesis.