Wed. Aug 21st, 2019

Vitamin D deficiency: Common and problematic yet preventable

2 min read

Public release date: 18-Jul-2007

 

According to Holick, a professor of medicine, physiology, and biophysics, and director of the General Clinical Research Center at Boston University School of Medicine and Director of the Bone Healthcare Clinic at Boston Medical Center, it has been estimated that 1 billion people world-wide are vitamin D deficient or insufficient.

Without vitamin D only about 10-15 percent of dietary calcium and about 60 percent of phosphorus is absorbed by the body. This is directly related to bone mineral density which is responsible for osteoporosis and fractures, as well as muscle strength and falls in adults. In utero and childhood, calcium and vitamin D deficiency prevents the maximum deposition of calcium in the skeleton

Holick believes the current recommended Adequate Intakes for vitamin D need to be increased to 800 – 1000 IU vitaminD3/d. “However, one can not obtain these amounts from most dietary sources unless one is eating oily fish frequently,” says Holick. “Thus, sensible sun exposure (or UVB irradiation) and/or supplements are required to satisfy the body’s vitamin D requirement,” he adds.

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