Current government recommendations of 400 or 600 international units (IU) of vitamin D a day are insufficient to prevent serious diseases like breast cancer, a new study published in the journalAnticancer Researchhas found. Researchers from the University of California, San Diego (UCSD) School of Medicine and Creighton University (CU) School of Medicine discovered that when much higher doses of vitamin D are taken daily, the risks associated with developing several major diseases are reduced by about half.
“We found that daily intakes of vitamin D by adults in the range of 4000-8000 IU are needed to maintainbloodlevels of vitamin D metabolites in the range needed to reduce by about half the risk of several diseases –breast cancer, colon cancer, multiple sclerosis, and type 1 diabetes,” said Cedric Garland, DrPH, professor of family and preventivemedicineat the UCSD Moores Cancer Center.
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