Gluten free bread and lactose free milk last for ages.
I think this may be due to gluten- and lactose-loving bacteria wafting about and invading our foods.
This makes sense because lactose intolerance is a problem because the stomach lacks lactase (hence my chewing lactase with Top Cheese) so...
Its a struggle to find good gluten free bread. There is some tolerable stuff in Sainsbury. And it is eye-wateringly expensive. So I've gone back to the walk on the wild side....on the whole it hasn't cost me . . . . emergency repairs.
Perhaps we should ask this thread to be merged with the poo...