Treatment With Tyrosine, A Neurotransmitter Precursor, Reduces Environmental Stress In Humans
| Effect | Increase |
| Trial Design | Double blind |
| Trial Length | 24 hours |
| Number of Subjects | 23 |
| Sex | Male |
| Age Range | 18-29 |
| Body Types | Trained, Average |
Relative to placebo, 100mg/kg L-Tyrosine was associated with significant improvements in mood, cognitive function, and side-effects associated with acute stressors (cold and altitude) in military personnel. Heart rate and blood pressure were unaffected.
