Article: Research results from C. Vonrestorff and co-authors update knowledge of bone research.

"Recent large trials indicate that adherence associated with a daily regimen of vitamin D is low and limits anti-fracture efficacy with vitamin D supplementation. The aim of this report is to describe changes of 25-hydroxyvitamin D (25(OH)D) serum concentrations achieved with a single oral dose of 300000 IU vitamin D3," scientists in Zurich, Switzerland report (see also Bone Research).

"Over a course of 4 months, we identified 33 elderly with severe vitamin D deficiency (25(OH) D

The researchers concluded: "As calcium absorption is enhanced with higher 25(OH)D serum concentrations, calcium supplementation may need downward adjustment with this regimen to avoid ...

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