Are nootropics effective?

Answer 1

Doubtful but certain ingredients in there are found in higher level in fruits and veggies

Here is a list of them and what they claim to help.
http://www.erowid.org/smarts/

But when people are given placebos they have the same results.

Answer 2

Mmm, my grand mother is 93 and still very active. She took them for like 3 years, but helps her brain by doing sudoku puzzles or crossword puzzles. I wouldn't swear on the effectivity, but having an active brain does help, lots!