NSI-189

Safety profile
Category: Experimental antidepressant and nootropic drug - human trials are underway but as yet incomplete - has not yet been approved by the FDA or any other governmental health body for human consumption.
Main effects: Reports of increased motivation and relief from depression, enhanced cognition.
Side effects: Undesirable side effects experienced by users include: parathesia, anxiety, headaches, insomnia, drowsiness

Brief overview - What is NSI-189?

From Wikipedia:

NSI-189 is an experimental drug being studied by Neuralstem, Inc.[1] Research into NSI-189 has been funded by the Defense Advanced Research Projects Agency (DARPA) and the National Institutes of Health (NIH) for the treatment of major depressive disorder.[2] [1]