GenBrain Eat a healthy diet. While this might seem a bit removed from the issue, it's not. When you have good nutrition your body and brain functions better than when you don't. Certain herbs also are said to Brain Booster.
https://www.wellnessketoz.com/genbrain-reviews/
https://twitter.com/genbrainfact
https://www.crunchbase.com/organization/genbrain-b509