Impact of L-theanine and L-tyrosine on markers of stress and cognitive performance in response to a virtual reality based active shooter training drill.
- 2024-07-08
- RCT · n = 28
- Stress (Amsterdam, Netherlands) 27(1)
- Matthew J McAllister
- M Hunter Martaindale
- Courtney C Dillard
- Rory McCullough
- PubMed: 38975711
- DOI: 10.1080/10253890.2024.2375588
- High evidence
- Adults
Ingestion of L-theanine and L-tyrosine did not impact markers of stress.
- Effect
- Neutral
- Effect size
- Small
- Significant
- No
- Dose
- 200 mg