Cortagen is a polypeptide extract. Cortagen is derived from a popular drug in eastern countries – Cortexin. Cortagen / Cortexin has been used successfully in many hospitals around the world. The main tasks performed by Cortagen are the repair of the nervous system, the regeneration of peripheral nerve tissues and the improvement of memory and concentration. Many Cortagen users report an improvement in well-being, regeneration and motivation after cortagen treatment. Cortagen is also a good agent to use after episodes with stimulants of all kinds.