There are lots of diet-assistant apps and many which will propose recipes based on what’s in your fridge.
Today’s invention is a diet app which allows you to scan in labels on food in the (now) usual way but which then says
“You have had 40% of your daily carbohydrate allowance, 10% of your fat allowance and 3% of your protein requirement…so you can have any of the following items for your next meal…”
These items could be products in the databases of whichever stores the original scans came from.
