Do any brain supplements work?

[dharani0022]

This supplement is meant to improve your mental performance. It is made from a blend of natural ingredients, the man ingredient Ashwagandha, a herb. This supplement helps reduce stress to improve your mood. Apart from the herb, it also includes Turmeric which is a root that helps with cognitive functions, a central ingredient of NeuroActiv6. It uses the whole fruit of coffee plant which reverses the loss of essential protein, called the brain-derived neuroph factor or BDNF. Low levels of BDNF always link with poor brain function.

http://www.youtube.com/watch?v=rEmQOUNKQUg