Neurotonic is a productivity drink from James Smith and Chris Williamson. It has ingredients like caffeine, Rhodiola Rosa, ginseng and Cognizin.
It is designed to improve your concentration, focus, cognitive function and also give you a boost and energy.
In this video, I explain my thoughts on it, the benefits, whether I think it works, and everything in between.
If you feel like trying it then here is the link - 
https://amzn.to/3W8VYct