> once ketosis kicks in and the brain fog lifts

No such effect exists for me. Plus, it would require following through on going shopping so I have roast beef and frozen veggies in the house (or remember to take them with me to work). That's not happening in an unmedicated state. I'm lucky if I can put together a remotely healthy meal while unmedicated.

I usually do it over a weekend because I always forget to pack a lunch, too. As an aside, my tip for that issue is to go to the grocery store on your lunch break and stock up on healthy foods you can keep at work to make lunch there. Anyway, my suggestion was to try cleaning up your diet to see if it works. It sounds like you've already done that without positive results. Diet clearly isn't the solution for you. It was for me. Btw, I'm 37. I was on Adderall as recently as 2014. It took years of struggling to find something that works for me.