While many people fill in nutritional gaps with supplements that fulfill their specific vitamin needs, it's also a good idea ...

(AP Photo/Jose Luis Magana)(Jose Luis Magana / AP) Texas health experts are warning that vitamin A — found in food and in supplements such as cod liver oil — is not an alternative to measles ...

Pickled herring is also a good source of vitamin D, providing 113 IU per 3.5-ounce (100-gram) serving, or 14% of the DV. However, pickled herring also contains a high amount of sodium, at 870 mg ...