If you type in any food in the search it will have loads of information about it,
e.g.I typed in liver (following on from Spareribs post and Rods replies)
Its fascinating the difference in vitamins and minerals depending on how its cooked and if its eaten raw.
nutritiondata.self.com/fact...
nutritiondata.self.com/fact...
nutritiondata.self.com/fact...
I'm going to have fun this afternoon