Rodrigo M. reviewed Qualia Focus
The best one for me.
It works pretty well
This helped my focus, motivation, alertness, and energy without causing jitters or any other side effects that I noticed.
Neurohacker Focus
I work 12 hour shifts, both days & nights, and using this product at specific times has really helped me stay focused and has given me an extra added boost of energy when I needed it most. I recommend anyone who needs a product like this one to give it a try.
Great product!
Quiets my mind giving me the ability to focus on the task at hand.
This really peaks mental focus!
I feel alert, focused and sharp with no jitters.