Vitamin D, bones and muscle: myth versus reality.

Abstract

OBJECTIVES: Evidence regarding the efficacy and dosing of vitamin D on fall and fracture prevention, with or without calcium, is characterised by uncertainty. METHODS: A panel of experts was organised at the First Australasian Conference on Sarcopenia and Frailty in Melbourne, Australia, in November 2016 to provide an interpretation of the current evidence and to give their opinions regarding the supplementation of vitamin D in three hypothetical cases. RESULTS AND CONCLUSION: The authors conclude that (i) target serum 25(OH)D concentration should be 50 to 60 nmol/L year round, with a conservative upper limit <100 nmol/L; (ii) change in serum concentrations at any given dose is highly variab..