• Paweł Płudowski, Elżbieta Karczmarewicz, Milan Bayer, Graham Carter, Danuta Chlebna-Sokół, Justyna Czech-Kowalska, Romuald Dębski, Tamas Decsi, Anna Dobrzańska, Edward Franek, Piotr Głuszko, William B Grant, Michael F Holick, Liudmila Yankovskaya, Jerzy Konstantynowicz, Janusz B Książyk, Krystyna Księżopolska-Orłowska, Andrzej Lewiński, Mieczysław Litwin, Szimonetta Lohner, Roman S Lorenc, Jacek Lukaszkiewicz, Ewa Marcinowska-Suchowierska, Andrzej Milewicz, Waldemar Misiorowski, Michał Nowicki, Vladyslav Povoroznyuk, Piotr Rozentryt, Ema Rudenka, Yehuda Shoenfeld, Piotr Socha, Bogdan Solnica, Mieczysław Szalecki, Marek Tałałaj, Szabolcs Varbiro, and Michał A Żmijewski.
• Department of Biochemistry, Radioimmunology and Experimental Medicine, The Children’s Memorial Health Institute, Warsaw, Poland. p.pludowski@czd.pl
• Endokrynol Pol. 2013 Jan 1;64(4):319-27.

IntroductionAdequate Vitamin D intake and its concentration in serum are important for bone health and calcium-phosphate metabolism as well as for optimal function of many organs and tissues. Documented trends in lifestyle, nutritional habits and physical activity appear to be associated with moderate or severe Vitamin D deficits resulting in health problems. Most epidemiological studies suggest that Vitamin D deficiency is prevalent among Central European populations. Concern about this problem led to the organising of a conference focused on overcoming Vitamin D deficiency.MethodsAfter reviewing the epidemiological evidence and relevant literature, a Polish multidisciplinary group formulated theses on recommendations for Vitamin D screening and supplementation in the general population. These theses were subsequently sent to Scientific Committee members of the 'Vitamin D - minimum, maximum, optimum' conference for evaluation based on a ten-point scale.With 550 international attendees, the meeting 'Vitamin D - minimum, maximum, optimum' was held on October 19-20, 2012 in Warsaw(Poland). Most recent scientific evidence of both skeletal and non-skeletal effects of Vitamin D as well as the results of panellists' voting were reviewed and discussed during eight plenary sessions and two workshops.ResultsBased on many polemical discussions, including post-conference networking, the key opinion leaders established ranges of serum 25-hydroxyVitamin D concentration indicating Vitamin D deficiency [< 20 ng/mL (< 50 nmol/L)], suboptimal status [20-30 ng/mL(50-75 nmol/L)], and target concentration for optimal Vitamin D effects [30-50 ng/mL (75-125 nmol/L)]. General practical guidelines regarding supplementation and updated recommendations for prophylactic Vitamin D intakes in Central European neonates, infants, children and adolescents as well as in adults (including recommendations for pregnant and breastfeeding women and the elderly) were developed.ConclusionsImproving the Vitamin D status of children, adolescents, adults and the elderly must be included in the priorities of physicians,healthcare professionals and healthcare regulating bodies. The present paper offers elaborated consensus on supplementation guidance and population strategies for Vitamin D in Central Europe.

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