Professor,
Omega 3 Fatty Acids, Ginkgo biloba, Turmeric, Salvia miltiorrhiza, Rosemary, Withania somnifera, Vinpocetine, Centellaasiatica (GotuKola), Citicoline, Phosphatidyl Serine (PS), DMAE etc are used as memory enhancer.
Memory enhancer, noortropic