Fatty fish are one of the best food sources of vitamin D. A 3-ounce fillet delivers about 450 IU, which is close to the 600 IU that experts recommend most people eat daily.
http://ireport.cnn.com/docs/DOC-1041839?ref=feeds%2Flatest
http://ireport.cnn.com/docs/DOC-1041839?ref=feeds%2Flatest
