cillakat <[log in to unmask]> wrote:

> The Vitamin D council's current recommendation is 1000 IU per 25 lbs
> body weight....dependent partly though on how much exposure one gets
> from sun.    I do need 6000 IU D per day (1000 IU per 25 lbs body
> weight) to maintain optimal levels.

The "Vitamin D Council" is just yet another "non-profit" group, funded
by two pharmaceutical companies that sell Vitamin D supplements, and
based out of what appears to be a house in San Luis Obispo. (They also
advertise a tanning bed system, but the funding arrangement is unclear.)
Do you have a reputable source for this dose as a _maintenance_
requirement in order to avoid osteomalacia?

I am also a little suspicious of the rapidly-changing targets for serum
levels. I've looked for the evidence base on lifting the lower limit of
"normal" all the way to 50, and it seems rather questionable for me at
this point. If anyone has more information on that, I'd really like to
hear it.

I think there are a number of agendas at play in the Vitamin D debate,
and we would do well to look very critically at the funding and
underlying aims of vocal groups. Pharmaceutical companies have not
exactly shown themselves to be disinterestedly promoting optimal
nutrition for mothers and babies in the past, and the history of
isolated synthetic vitamin supplements is not a pretty one (google the
CARET trial, etc.)

Lara Hopkins

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