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2500 to 4000 IU vitamin D would decrease specific disease rates- April 2010

Health benefits of higher serum 25-hydroxyvitamin D levels in The Netherlands.

Estimate that 2500 to 4000 IU would decrease specific disease rates by 10 to 50 percent
J Steroid Biochem Mol Biol. 2010 Apr 13. Grant WB, Schuitemaker G.
Sunlight, Nutrition, and Health Research Center (SUNARC), P.O. Box 641603, San Francisco, CA 94164-1603, USA.

A large and rapidly expanding body of scientific literature exists on the roles of vitamin D in maintaining optimal health and reducing the risk of chronic and infectious diseases. Serum 25-hydroxyvitamin D 25(OH)D levels for optimal health are in the range of 40-60ng/mL; mean population values in The Netherlands are around 20-25ng/mL. Health problems for which there exists good observational evidence and some randomized controlled trial evidence that vitamin D reduces risk include many types of cancer, cardiovascular disease, diabetes mellitus, bacterial and viral infections, autoimmune diseases, osteoporosis, falls and fractures, dementia, congestive heart failure, and adverse pregnancy outcomes. Reductions in incidence and mortality rates for various diseases and all-cause mortality rates can be determined from ecological, observational and cross-sectional studies and randomized controlled trials.
For The Netherlands, raising mean serum 25(OH)D levels to 42ng/mL is estimated to reduce specific disease rates by 10%-50% and all-cause mortality rates by 23%. To raise serum 25(OH)D levels by this amount, inhabitants in The Netherlands would have to increase vitamin D production or oral intake by 2500-4000 IU/day. Doing so would pose only minimal increased risks of melanoma or skin cancer or hypercalcemia. Copyright © 2010. Published by Elsevier Ltd. PMID: 20398763

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