Figure 1.

Effects of dietary ${\mathrm{N}\mathrm{O}}_{3^{-}}^{}$ on plasma ${\mathrm{N}\mathrm{O}}_{3^{-}}^{}$, ${\mathrm{N}\mathrm{O}}_{2^{-}}^{}$, and breath NO in healthy 65–79 years old men and women (n = 12). 10’ post, 10 minutes postexercise. Nitrate trial significantly higher than placebo trial: *p < .05, †p < .001, ‡p < .0001.