Even distilled cod liver oil supplements may have toxic levels of vitamin A.
What apparent effect does taking vitamin C supplement have on our lifespan?
Cod liver oil that has been distilled to remove any industrial toxins and heavy metals. Harmful, Harmless, or Healthy?
Harmful, due to toxic levels of vitamin A. In fact, so much it could damage our own liver. So, not good for the cod’s liver or ours.
To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring watch the above video. This is just an approximation of the audio contributed by veganmontreal.
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Ann Otol Rhinol Laryngol. 2008 Nov;117(11):864-70.Cod liver oil, vitamin A toxicity, frequent respiratory infections, and the vitamin D deficiency epidemic.Cannell JJ, Vieth R, Willett W, Zasloff M, Hathcock JN, White JH, Tanumihardjo SA, Larson-Meyer DE, Bischoff-Ferrari HA, Lamberg-Allardt CJ, Lappe JM, Norman AW, Zittermann A, Whiting SJ, Grant WB, Hollis BW, Giovannucci E.
Also check out:
Is Fish Oil Just Snake Oil?
Please feel free to post any ask-the-doctor type questions here in the comments section and I’d be happy to try to answer them. And check out the other “HHH” videos (Harmful, Harmless, or Helpful?). Also, there are over a thousand subjects covered in the rest of my videos–please feel free to explore them as well!
For some context, please check out my associated blog post: Soymilk: shake it up!
Canthoxanthine feed additives given to farmed fish may be linked to a condition in consumers called gold dust retinopathy.
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