Figure 1. Mean change from baseline in AI75 (%) of high-nitrate versus low-nitrate intervention on (A) Day 1 and (B) Day 7 in 27 healthy participants. Values are expressed as mean ± SEM. An intervention × time interaction was observed on Day 1 (p = 0.03, repeated measures ANOVA). *Significantly different from low-nitrate intervention as assessed by repeated measures ANOVA, p = 0.01.
