Bulletproof company's Dave Asprey uses and advocates nootropics, which support and promote cognitive performance.
Check the link below where we summarize the top 5 Nootropics. This information is for educational purposes only. It is not medical advice. Please consult a physician before and during use of these and other nootropics.
http://piracetam.net/top-five-nootropics-bulletproof-company/
