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Biotech / Medical : Nutrition
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To: Doc Bones who wrote (521)9/25/2009 3:35:45 PM
From: Ian@SI  Read Replies (1) of 577
 
Thanks Doc,

I'm now taking double the daily upper limit recommendation for Vit D. Yet, my serum D is only near the midpoint of the normal range. As I run outdoors for about an hour daily (6-9 miles) near noon without sunscreen wearing only T-shirt and shorts, I was at a loss to understand what may be happening.

From the article, it seems possible that runners / aerobic exercisers may consume more D than sedentary folk???

In any case, I think everyone should get their Serum D measured; and if deficient, continue to do so until normal levels are established.

Ian
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