Ranking Nutrients
You can use the Nutrition Tool to rank foods by a certain nutrient, for example Vitamin A:
To do this, open the "Rank By" menu and choose the nutrient you wish to rank by, and whether it should be high-to-low or low-to-high:
You can also rank by Ratios of nutrients.
Nutrients that are ranked will automatically show up as one of the Results Fields.
In combination with searching, filters, and other options you can use the Nutrition Tool to rank specific groups of foods -- for example ranking meats by vitamin C, or ranking all "cheese" by the amount of Selenium in it.