Fig. 2

Changes interleukin 6 (a) and tumor necrosis factor alpha (b) levels during exercise tests performed before and after the supplementation (mean ± SD). Note. IL-6 = interleukin 6; TNF α = tumor necrosis factor alpha; □ − SUPL = supplemented group; − PLA = placebo group; B = baseline; Ex = immediately after the exercise; R = after a 1-day recovery; † − significantly different compared to baseline level; # -significantly different compared to post-exercise level