Q. I recently read that Vitamins A, D, E, and K are fat soluble, meaning that they dissolve in fat instead of water. Does this mean that these vitamins need to be eaten with some type of fat source for the body to absorb them? For instance, if somebody ingested just a cup of skim milk would any of the Vitamin D not be absorbed because of the lack of fat?
A. It's not so much that fat-soluble vitamins dissolve in fat, but that they are carried across the intestinal cell barrier by lipid (fat) molecules. ...
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