Article: Vitamin D effects seasonal changes in serum 250HD levels in older women.

2004 APR 1 - (NewsRx.com & NewsRx.net) -- Vitamin D effects seasonal changes in serum 250HD levels in older women.

"Vitamin D-2 and D-3 are generally considered equipotent in humans. A few studies have reported that serum 25OHD levels are higher in vitamin D-3- compared with vitamin D-2-supplemented subjects. As both vitamin D-2 and D-3 supplements are commonly used by elderly in United States, in the present study we determined the effect of self-reported vitamin D-2 and vitamin D-3 supplement use on serum total 25OHD levels according to season in elderly women aged 65-77 years," investigators in the United States report.

"Serum total 25OHD levels were ...

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