Table 2.
Participant characteristics before and after supplementation in women and men
| Placebo | L-citrulline | |||
|---|---|---|---|---|
| Before | After | Before | After | |
| Women (n = 15; 8 young, 7 older) | ||||
| Weight (kg) | 60 ± 2 | 60 ± 2 | 60 ± 2 | 60 ± 2 |
| Body Mass Index (kg/m2) | 22.8 ± 0.5 | 23.7 ± 0.5 | 22.6 ± 0.6 | 22.6 ± 0.5 |
| Seated SBP (mmHg) | 121 ± 3 | 120 ± 3 | 121 ± 3 | 123 ± 3 |
| Seated DBP (mmHg) | 67 ± 2 | 71 ± 1* | 70 ± 1 | 71 ± 2 |
| Resting VO2 (mL/kg/min) | 3.20± 0.14 | 3.23 ± 0.14 | 3.22 ± 0.13 | 3.24 ± 0.12 |
| Exercise HR (bpm) | 114 ± 3 | 115 ± 3 | 114 ± 3 | 113 ± 3 |
| Cadence (steps per min) | 126 ± 2 | 126 ± 2 | 126 ± 2 | 126 ± 2 |
| Men (n = 11; 7 young, 4 older) | ||||
| Weight (kg) | 75 ± 3 | 74 ± 3 | 75 ± 3 | 74 ± 3 |
| Body Mass Index (kg/m2) | 24.7 ± 0.9 | 24.4 ± 0.9 | 24.7 ± 0.9 | 24.6 ± 0.9 |
| Seated SBP (mmHg) | 128 ± 4 | 127 ± 3 | 130 ± 3 | 125 ± 3* |
| Seated DBP (mmHg) | 73 ± 3 | 77 ± 2 | 76 ± 2 | 79 ± 3 |
| Resting VO2 (mL/kg/min) | 3.25 ± 0.14 | 3.12 ± 0.18 | 3.44 ± 0.16 | 3.43 ± 0.27 |
| Exercise HR (bpm) | 117 ± 3 | 117 ± 4 | 118 ± 4 | 119 ± 4 |
| Cadence (steps per min) | 122 ± 3 | 122 ± 3 | 123 ± 3 | 122 ± 3 |
Values are mean ± SE. SBP, systolic blood pressure; DBP, diastolic blood pressure; HR, heart rate;
*
significant difference (P≤0.05) compared to before within condition.