The mental workload I am going trough is overwhelming but my

>>18703889
>Using chemical compounds for this is undesirable

Like caffeine + theanine?
What about nootropics?
I read that exercise has been shown to increase something in the brain that allows for better memory and learning.

The only other thing I would recommend is meditation, assuming you aren't doing that already.
I know these aren't spells/rituals, but I only have first hand experience with these things.

NATURAL Organic multivitamins do a good job. Also look into zinc and magnesium

Also, Reading alot will stress the fuck out of your mind but this will actually strengthen your neural networks drastically and they will regrow stronger than before. So this is a good thing. Just keep fucking reading and eventually your mind will adapt to the point where you can read for hours on in.

You can also look into Qi Qong exercises. You want alot of fuckin shen

>>18703889

Betablockers are what you need, there's a reason pro athletes use them. But if you insist on the oopy spoopy route-- Lavender and lemongrass tea, and a memory recall sigil.