CDP Choline‚ also known as citicoline or cytidine diphosphate choline‚ is a precursor of phosphatidylcholine‚ glycerophosphatidylcholine‚ and acetylcholine. It is the product of the rate-limiting step of acetylcholine synthesis. Citicoline has well documented neuroprotective effects. It increases glutathione synthesis‚ augments glutathione reductase activity‚ and maintains mitochondrial cardiolipin levels. Citicoline supports memory‚ attention‚ and focus.