The first investigation into the prevalence of dietary supplement and sport food use in male and female middle school-aged runners has found that almost half the study participants used these products on two or more days a week during the prior year. Characteristics associated with supplement use included a prior bone stress injury, following a vegetarian diet and behaviors suggesting dietary restrictions such as losing weight and skipping meals, researchers report in the Journal of the Academy of Nutrition and Dietetics.
“The preadolescent years represent a crucial period of growth. While previous studies have
