Fig. 2
From: Effect of baseline ferritin levels on post-exercise iron metabolism in male elite youth rowers

The effect of intense exercise on iron, ferritin, transferrin, IL-6, and hepcidin serum concentration. Note Fe- iron, IL-6-interleukin-6, PRE-pre-exercise, POST-post-exercise, REC-1 h recovery. Significant differences: *<0.05, **<0.01,***p < 0.001, ****p < 0.0001.