How much vitamin D is enough?

From: Townsend Letter: The Examiner of Alternative Medicine | Date: January 1, 2007| Author: Gaby, Alan R. | Copyright information

This review article summarized research that evaluated the relation between serum concentrations of 25-hydroxyvitamin D (25[OH]D) and bone mineral density, lower-extremity function, dental health, and risk of falls, fractures, and colorectal cancer. For all endpoints, the most advantageous serum concentrations of 25(OH)D began at 75 nmol/L (30 ng/ml), and the best levels were between 90 and 100 nmol/L (36-40 ng/ml). In most people, these concentrations could not be reached with the...

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