If you have a blue sephira which gives double gald. then eat a +30% gald food. you will only get 30% more gald. the sephira is completely ignored. so my suggestion? once you get sephiras just sell any food that gives any gald bonus because it will gimp you. only use exp food.
Head Recruit of the Cult of Gilgamesh! Official Maria of the Duodecim Boards