Some people think the world is going to end on Friday.

According to believers, this apocalypse could manifest itself in a number of ways. If there is a disaster and you happen to make it out alive, there's a good chance supermarkets will soon be pillaged and you'll need access to a steady stream of food.

That means you'll need to pack your cupboard with shelf-stable ingredients that provide enough energy to help you rebuild society.

Here's what to grab before the end of the world hits, or during all that looting that's sure to follow.