Wellbeing scales, blood pressure, and heart ratex,y,z,aa
| Variable | Placebo | Tyrosine | p value | ||||
|---|---|---|---|---|---|---|---|
| T0 | T1 | T2 | T0 | T1 | T2 | ||
| B&L total | 8.1 (0.3) | 7.7 (0.3) | 8.1 (0.3) | 8.0 (0.2) | 7.6 (0.4) | 8.0 (0.3) | 0.97 |
| B&L calmness | 7.7 (0.4) | 7.2 (0.5) | 7.7 (0.4) | 8.1 (0.3) | 7.3 (0.5) | 7.6 (0.4) | 0.58 |
| B&L contentness | 8.4 (0.25) | 7.6 (0.4) | 8.5 (0.3) | 8.3 (0.2) | 7.6 (0.4) | 8.3 (0.3) | 0.99 |
| B&L alertness | 8.0 (0.3) | 7.8 (0.4) | 8.1 (0.3) | 7.9 (0.3) | 7.6 (0.3) | 8.0 (0.3) | 0.96 |
| Systolic blood pressure | 136.0 (3.8) | 140. (4.0) | 143.3 (3.8) | 137.8 (3.8) | 136.7 (3.5) | 145.9 (4.4) | 0.06 |
| Diastolic blood pressure | 84.0 (1.7) | 80.8 (2.1) | 85.71 (1.8) | 82.8 (1.8) | 80.0 (1.8) | 87.2 (1.8) | 0.72 |
| Heart rate | 63.4 (1.8) | 63.6 (1.7) | 61.2 (1.4) | 63.4 (1.7) | 63.2 (1.5) | 62.7 (1.6) | 0.72 |
B&L, Bond & Lader; p values reflect the outcome of the paired t tests between tyrosine and placebo on the baseline corrected physiologic measure (T1 – T0). No interactions between tyrosine administration and time or age were observed.