Proceedings of the rank forum on vitamin D

S. A. Lanham-New, J. L. Buttriss, L. M. Miles, M. Ashwell, J. L. Berry, B. J. Boucher, K. D. Cashman, C. Cooper, A. L. Darling, R. M. Francis, W. D. Fraser, C. P.G.M. De Groot, E. Hypöpnen, M. Kiely, C. Lamberg-Allardt, H. M. MacDonald, A. R. Martineau, T. Masud, A. Mavroeidi, C. NowsonA. Prentice, E. M. Stone, S. Reddy, R. Vieth, C. M. Williams

Research output: Contribution to journalArticlepeer-review

83 Citations (Scopus)


The Rank Forum on Vitamin D was held on 2nd and 3rd July 2009 at the University of Surrey, Guildford, UK. The workshop consisted of a series of scene-setting presentations to address the current issues and challenges concerning vitamin D and health, and included an open discussion focusing on the identification of the concentrations of serum 25-hydroxyvitamin D (25(OH)D) (a marker of vitamin D status) that may be regarded as optimal, and the implications this process may have in the setting of future dietary reference values for vitamin D in the UK. The Forum was in agreement with the fact that it is desirable for all of the population to have a serum 25(OH)D concentration above 25nmol/l, but it discussed some uncertainty about the strength of evidence for the need to aim for substantially higher concentrations (25(OH)D concentrations>75nmol/l). Any discussion of optimal concentration of serum 25(OH)D needs to define optimal with care since it is important to consider the normal distribution of requirements and the vitamin D needs for a wide range of outcomes. Current UK reference values concentrate on the requirements of particular subgroups of the population; this differs from the approaches used in other European countries where a wider range of age groups tend to be covered. With the re-emergence of rickets and the public health burden of low vitamin D status being already apparent, there is a need for urgent action from policy makers and risk managers. The Forum highlighted concerns regarding the failure of implementation of existing strategies in the UK for achieving current vitamin D recommendations.

Original languageEnglish
Pages (from-to)144-156
Number of pages13
JournalBritish Journal of Nutrition
Issue number1
Early online date7 Dec 2010
Publication statusPublished - 14 Jan 2011


  • 25-Hydroxyvitamin D
  • deficiency
  • insufficiency
  • recommendations
  • sunlight exposure
  • vitamin D3

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics


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