The free-run eggs in the Marketplace test cost about $6 per dozen as opposed to about $8 for the small-farm organic eggs. What drives organic costs? All of the organic eggs tested by Marketplace ...

"Farm animal welfare has become a part of doing business in animal agriculture," Widowski says, adding that she paid twice as much for the free-run eggs she bought this past weekend.

Free-run eggs. These hens are cage-free; ... Burnbrae Farms' Naturegg Omega-3 Plus, for example, has added vitamin D, lutein for eye health and half a day's worth of vitamin E.