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

Table 6 Plasma nitrate/nitrite (μmol∙L^-1) for subjects in Study 2

Condition	Pre Intervention	Post Intervention
Placebo	24.3 ± 4.8	17.5 ± 2.4
Betaine	22.4 ± 3.4	19.6 ± 3.1

Data are mean ± SEM.
No statistically significant interaction (p = 0.57), condition (p = 0.98), or pre/post intervention (p = 0.17) effects noted.
Study involved a cross-over design with subjects consuming 2.5 grams of betaine or a placebo daily for 14 days; 21 day washout period between each condition; blood samples collected before (Pre Intervention) and after (Post Intervention) each 14 day period.

ISSN: 1550-2783