10 BEST BRAIN FOODS | Improve Alertness, Focus and Memory

Eating the right food can make a big difference in how you perform at work and at home. Eating the wrong foods can result in the opposite — restlessness, inflammation, and lower energy levels.
This list covers foods in different food groups that improve concentration and memory. 
While you may not notice a change after one meal, incorporating these foods into your daily routine will help you focus.
https://www.betterup.com/blog/food-for-concentration