I have to second the brazil nut recommendation. I've been chomping through three before sleep and three on waking and the difference in appetite is... pronounced. That plus the butter fat/fermented cod liver oil and extra kimchee.
Are the brazil nuts shelled or unshelled? I read somewhere that there are a lot fewer nutrients in the shelled nuts. But the unshelled are harder to find.
Yes, he hit me with this one as well. It's a specific supplment, fermented cod liver oil with added butter fat (from cows who have grazed on rapidly growing grass). Its an actual thing that exists: