Some which were known by scientific deduction to be zero are now assigned assumed zero status, some values were borrowed from international databases, and some were estimated by recipe calculation to be below international standards for trace amounts. ###>Dans ce contexte, le personnel du FCEN avait comme objectif d'essayer de founir un ensemble de données le plus complet possible sur les valeurs de vitamine D, ce qui aiderait à mieux appuyer les recherches en nutrition sur ce sujet.