Kale

A good source of vitamins, including C and folate (both contribute to normal immune function), E (helps protect cells from damage by free radicals), K (important for normal blood clotting after injury) and beta carotene (converted to vitamin A in the body and necessary for normal vision)

Provides iron (needed for red blood cells) and calcium (important for healthy bones)

A good source of dietary fibre which is important for normal laxation.