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Journal of Exercise Nutrition & Biochemistry 2005;9(1):73-80.
Articles : The Effect of Iron Supplementation on Blood Components, Immune Cells and Aerobic Exercise Capacity during Weight Loss in Female Taekwondo Athletics
Abstract
The purpose of this study was to investigate the effect of a 3 weeks weight loss programs and iron supplementation on serum parameters, immune cells and exercise performance in female athletics. Nineteen women, who had exercise regularly in university, volunteered to parti aged. The subjects of this study were 19 college female athletics (taekwondo). They were divided into three groups(no weight loss group; NWL, weight loss group; WL, weight loss+ iron supplement group; WL+IS). The way of Weight loss was exercise and diet restriction which was composed limit of ordinary eating (having) amount. Results of this study runs as follows: Weight, % body fat, lean body mass (LBM), total body water (TBW) in weight loss groups (WL, WL+IS group) was lower than NWL group after weight loss. Red blood cell count (RBC), Hematocrit (Het) level increased significantly- after weight loss in WL+IS group, but in WL group, RBC, Hct, Hb level not significantly after weight loss. And Ferritin, Transferyin level not significantly after weight loss in the all groups. WBC level decreased significantly after weight loss in WL+IS group. T-helper, T-suppressor, Monocyte level not significant different pre and post weight loss in the all groups. NK cell level increased significantly after weight loss in the WL group but no significant different pre and post weight loss in the NWL, WL+IS groups. VO₂max were decreased not significantly after weight loss in the NWL, WL groups. Endurance time decreased significantly after weight loss in the WL groups. The data indicated that female athletics had affected serum parameters and immune cells, exercise capacity by gradual weight loss. But iron supplementation during gradual weight loss affected on the maintenance of serum parameters and immune cells, exercise capacity in the female.
Key Words: weight Loss, iron, immune cells, aerobic exercise capacity


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