MotherEarth News Oct 2008
"pastured eggs have anywhere between 4 to 6 times as much vitamin D as typical supermarket eggs."
"In 2007, the magazine Mother Earth News decided to test that claim.
They sent for pastured eggs from 14 farms around the U.S., tested them for a number of nutrients, . . . "
- Conventional: 34 IU
- Pastured avg: 136 - 204 IU
includes other nutrients as well