The invention described herein is directed to the use of acetyl L-carnitine, or propionyl L-carnitine, or a salt thereof, for preparing a medicament for increasing neurogenesis in neural tissue; in which said increased neurogenesis is useful for preventing central nervous system disorders due to ageing or genetic predisposition.本文所述之本發明係關於乙醯基L-肉鹼或丙醯基L-肉鹼或其鹽供製備用於在神經組織中增進神經形成的藥劑之用途,其中該增進之神經形成係用於預防由於老化或遺傳性素質的中樞神經系統病症。