Swanson ® Cognizin ® Citicoline is a dietary supplement in capsule form that is a source of citicoline. The vegetarian formula was developed to complement the daily diet of adults. What is citicoline? Citicoline, also called CDP-choline, is an exogenous form of cytidine 5-di-phosphocholine. After ingestion, citicoline breaks down into choline and cytidine - naturally occurring substances in the body that undergo further transformation. Choline and cytidine participate in various metabolic pathways, including: in the nervous system, including the brain. Each capsule of Cognizin ® Citicoline Swanson ® with vegetable coating contains 500 mg of citicoline. A pack of 60 vegetable capsules will provide up to two months of supplementation, also suitable for vegetarians.