Fig. 4

Plasma NH₃ (a) and NO_x (b) concentrations in the AA and PL trials^a. ^aAA: BCAA, arginine, and citrulline; PL: placebo. (a) Main effects: trial: p = .289;time: p < .001; interaction: p = .958; (b) Main effects: trial: p = .252; time: p = .050; interaction: p = .196. ^*Significantly different between the 2 trials (p < .05). ^†Significantly different from the baseline in the AA trial (p < .05). ^#Significantly different from the baseline in the PL trial (p < .05)