Balanced Diet is a Vitality Perk in Kingdom Come: Deliverance. If you don't either overeat or go hungry for 5 consecutive days, you get a +1 bonus on Vitality and Agility.
As it is blue, it will fade away if you get hungry or eat to much
I took this perk and went 5 days and got the stat increase. its highlighted in blue. is it a permanent increase or does it fade away?