beta carotene

  1. jpgio

    Consistent Negative reaction to foods high in vitamin A or beta carotene

    Whenever I eat foods high in vitamin A I have very bad side effects, vertigo, dizziness. This usually happens when I have eat more than one vitamin a/beta carotene rich food in a day i.e eggs and spinach. I basically only eat spinach for vitamin k. Eating liver causes a more extreme reaction...
  2. RealNeat

    Anti-A people, how do you respond to D?

    I've been researching the relationship of vitamin A and D. Before I give any of my own input I'd like to know how the people who benefit from vitamin A restriction feel on vitamin D supps or intentional sun bathing. Please include your history of pharmaceutical A use if applicable.
  3. N

    Beta-Carotene Is A Retinoid Antagonist

    There were some trials in the past that showed increased lung-cancer incidence with "Vitamin A" supplementation in smokers. That also led to questions regarding the safety of retinol. Since beta-carotine supplementation was central in those trials the following study seems interesting...
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