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Vitamin D3 could prevent and treat bird flu

Given that:

  • (A)H5N1 'bird flu' appears to kill by stimulating an overwhelming immune system response
  • vitamin D3 appears to have strong anti-viral properties, [1] and has been shown to reduce immune activity, [2] and
  • good levels of vitamin D3 appear to increase flu jabs’ ability to promote immunity to flu [3]


  • inadequate levels of vitamin D have been linked to a multitude of chronic illnesses [4]

Dr. John Cannell of the Vitamin D Council maintains that ensuring frequent exposure to direct sunlight and high-dose supplementing with vitamin D3 (particularly in the winter) could both help to prevent and treat a ‘human (A)H5N1’ infection. He recommends an adult maintenance dose of 2,000iu a day but daily doses of 50,000iu should a ‘human (A)H5N1’ pandemic occur. He states that these doses are perfectly safe and that single doses of up to 300,000iu have been routinely used in Europe since the 1930s for children with rickets (so-called ‘stoss therapy’).

View Vitamin Research Products' vitamin D3 1,000iu supplement

[1] Rehman,PK. Journal of Tropical Pediatric. 1994;40(1):58
Hayes,CE. Cellular and Molecular Biology 2003;49(2):277-300
[2] Helming,L et al. Blood. 2005 Aug 23; [Epub ahead of print]
[3] Antonen,JA et al. Nephron 2000;86(1):56-61
[4] Peterlik,M and Cross,HS. Eur. Jnl. of Clinical Investigation 2005;35(5):290-304

(11969) Nick Anderson. Green Health Watch 31.12.99