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Table 7 Plasma nitrate/nitrite (μmol∙L-1) and nitrite (nmol∙L-1) for subjects in Study 3

From: Effect of betaine supplementation on plasma nitrate/nitrite in exercise-trained men

  Pre Intervention Post Intervention 30 min post intake 60 min post intake
Nitrate/Nitrite 18.6 ± 3.1 18.2 ± 2.9 18.0 ± 3.2 16.4 ± 3.0
Nitrite 1418.3 ± 137.5 1466.3 ± 146.9 1366.4 ± 148.1 1369.8 ± 200.6
  1. Data are mean ± SEM.
  2. No statistically significant effect noted for nitrate/nitrite (p = 0.97) or nitrite (p = 0.97).
  3. Study involved subjects consuming 6 grams of betaine daily for 7 days; blood samples collected before (Pre Intervention) and after (Post Intervention) the 7 day period; Post intervention, subjects consumed 6 grams of betaine and blood samples were collected 30 and 60 min post intake.