Vitamin D

Vitamin D is both a nutrient we eat and a hormone our bodies make. It is a fat-soluble vitamin that has long been known to help the body absorb and retain calcium and phosphorus; both are critical for building bone. Also, laboratory studies show that vitamin D can reduce cancer cell growth, help control infections … Continue reading “Vitamin D”

Comment on the IOM Vitamin D and Calcium Recommendations

For Adult Bone Health, Too Low on Vitamin D—and Too Generous on Calcium By Heike Bischoff-Ferrari and Walter Willett Vitamin D and Bone Health Most evidence on vitamin D and calcium is available for bone health. Thus the recommendations of the Institute of Medicine (IOM) panel released on November 30, 2010 (1) are largely based … Continue reading “Comment on the IOM Vitamin D and Calcium Recommendations”

Ask the expert: Vitamin D and chronic disease

The Expert: Dr. Edward Giovannucci Professor of Nutrition and Epidemiology, Departments of Nutrition and Epidemiology, Harvard School of Public Health 1. There’s been a lot of news lately about vitamin D’s role in prevention of cancer, heart disease, and other chronic diseases. What do we know today—and what questions remain? Vitamin D has a well-established role … Continue reading “Ask the expert: Vitamin D and chronic disease”