I’ve been taking grass fed beef brain supplements. It’s definitely helped my memory and, strangely, my motivation. They’re pricey but worth it IMO.
The best studying advice I ever got was to summarize and explain the idea to someone, if you can teach someone about the subject you’ve mastered it.
Here’s some brain health study:
I also suggest caffeine.
And this awesome technique, obviously if you watch anime you get a major brain boost but the technique works with any show with about 20minutes (the office and Parks and rec).
Also you MUST workout, when you workout you manage stress better and your brain gets a boost.