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Biotech / Medical : Nutrition -- Ignore unavailable to you. Want to Upgrade?

To: Doc Bones who wrote (521)	9/25/2009 3:35:45 PM
From: Ian@SI	Read Replies (1) \| Respond to 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