The observed weighted-mean vitamin intakes in the adolescent subjects were compared
to Polish Nutritional Standards from which 90% of the EAR/AI ratios were determined and found to be borderline [11]. The percentage of subjects consuming vitamin deficient diets (i.e. below 90% of the EAR/AI) were also compared to the Standards. In addition, the
main dietary sources of the test vitamins are presented as estimated from analysing the dietary composition of the subjects’ menu.