Tag Archives: Vitamins A D and K

One of the perennial topics of this blog is the synergy between vitamins A and D.  A new Japanese study published last July in the journal Immunology Letters (1) provides further evidence of this synergy, this time suggesting the dynamic … Continue reading

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As always, if the font is too small you can increase the size by pressing ‘control’ and the ‘plus’ sign. Virtually everything we know about vitamin D and latitude might be wrong. When I wrote “Seafood to Sunshine: A New … Continue reading

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As always, if the font is too small, you can use “control +” to increase its size. In the last several weeks, two momentous occasions have occurred in the world of vitamin D. First, the Institute of Medicine (IOM) released … Continue reading

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In 2008, researchers discovered that adult mice harbor pancreatic stem cells.  When the mice suffered pancreatic injury, they would make a chemical called “neurogenin-3″ that made these stem cells turn into fully functional  insulin-producing beta-cells, the kind of cells that are damaged in type 1 diabetes.  … Continue reading

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Has science proven that the minimal acceptable blood level of vitamin D, in the form of 25(OH)D, is above 50 ng/mL (125 nmol/L)?  No.  If you’ve been trying to maintain your levels this high because you thought this was the case, I’m … Continue reading

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In November of 2008, Dr. Cannell of the Vitamin D Council published a commentary in the journal Annals of Otology, Rhinology & Laryngology attacking cod liver oil because of its high vitamin A content, claiming that vitamin A intakes above … Continue reading

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A number of people have tried asking questions or leaving comments on my blog post, “More Attacks on Vitamin A.” Due to a software gitch we are currently working out none of these comments are posting. While we are working … Continue reading

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See also: Further Questions on Vitamin A Many people have asked me or the Weston A. Price Foundation to respond to a recent newsletter put out by Dr. John Cannell, MD, of The Vitamin D Council claiming that cod liver … Continue reading

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Originally published on April 30, 2009. In the spring of 2007, Wise Traditions carried my article, “On the Trail of the Elusive X Factor,” in which I argued that the vitamin-like compound that Weston Price dubbed “Activator X” in the … Continue reading

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