Supplementation
Many subjects (31% to 57%) took multivitamin/mineral supplements
in addition to their usual diet. The most common
supplements consumed were calcium and vitamin D (Table
4). Multivitamin/mineral supplements were also commonly
consumed by nearly half of all adolescents and adults.
Whether or not the multivitamin/mineral supplements most
commonly chosen contained iron was unfortunately not
available in the from the Block Food Frequency Questionnaire