A group of prominent vitamin D researchers has issued a commentary that cautions against consuming large amounts of the supplement because it may lead to excessive exposure to vitamin A.*
he recommendation appears in the current edition of the Annals of Otology, Rhinology and Laryngology, and is based on concerns that the high amount of vitamin A in cod liver oil undermines the effectiveness of vitamin D, which is also found in the supplement.
Vitamin Wars
I'm just afraid the Vitamin E people are gonna get dragged into this... and then things will really get ugly...
