The body needs sodium for:

  • fluid balance – sodium helps keep the body's fluid level balanced
  • nerve function – sodium is required for the normal functioning of the nervous system


A bowl of crisps

The following foods contain sodium:

  • food high in salt – for example crisps, ready meals, salted peanuts
  • table salt – salt we add to our food for flavour
  • cheese
  • processed foods – for example processed meats like salami