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There doesn’t seem to be any swine flu left in the country, and we are closing down this offer. There is another reason too; recently Dr John Cannell, who runs the excellent Vitamin D Council website, raised a concern that the well-demonstrated cancer-preventing effect of vitamin D may be reduced or even reversed by too much vitamin A - link here . There is a debate going on about this, as you can imagine, but as it is important to protect you and all consumers from risk, we are changing our advice. |
Nobody thinks that a short course of vitamin A could be harmful - the effects being discussed would take years to happen - and the evidence that vitamin A helps to improve resistance to infections has not gone away, so this is my advice; When exposed, or at risk of being exposed to a potentially serious infection, take vitamin A at the doses already shown in the Swine Flu page, and with the other supplements recommended there, but do not continue the vitamin A beyond a maximum period of 3 months. Do not do this more than twice yearly. |