Fig. 3From: The effect of L-theanine supplementation on the immune system of athletes exposed to strenuous physical exerciseChanges in Treg (a), NK cell (b), Tδγ cell (c) and CTL (d) counts during exercise tests performed prior to and after supplementation with LTE (mean ± SD). Note. Tregs = regulatory T cells; NK = natural killer cells; Tδγ = gamma delta T cells; CLT = cytotoxic T lymphocytes; □ − SUPPL = supplemented group; ● − PLA = placebo group; B = baseline; Ex = post-exercise; R = after a 1-day recovery; # - significantly different compared to the baseline level; * - significantly different compared to the post-exercise levelBack to article page