We take a good multi-vit, plus high dose vitD, & vitC.
Breakfast is porridge made the Scots way with water and single cream.
Dinner is a plate of soup.
Tea is meat and green veg, I use butter and cream in the veg. Will vary that with salmon/tuna with salad. Dessert is Greek yog, SF jelly and sometimes added cream and choc sprinkles.
Supper is two slices Burgen on cheese.
Snacks for him are Babybels or a square of 90% choc. Decaff tea often throughout the day. No cheats no extras apart from this.