The VOIDRUNNER'S CODEX is coming! Explore new worlds, fight oppressive empires, fend off fearsome aliens, and wield deadly psionics with this comprehensive boxed set expansion for 5E and A5E!
Anyway. I would not allow any kind of permanent enhancement from food, even magic food. A bonus that lasts for 24 hours at the most, with some kind of drawback if it's going to be easily available.