I'm a sophomore in college and am on the same quest for mental stimulation and memory enhancer.
Here's what I've been using.
>Ginko Smart by: Irwin Naturals, 1X a day
>Omega-3, 180 EPA/120 DHA by: now, 4X a day
>Phosphatidyl Serine 100mg by: now, 2X a day
>DMAE (dimethylaminoethanol) by: now...