L-Tyrosine is the direct precursor to dopamine, norepinephrine, and epinephrine. Most evidence for cognitive performance under STRESS conditions (cold, sleep deprivation, multitasking). 500-2,000mg pre-stressor. NALT (N-Acetyl L-Tyrosine) is better absorbed but less efficiently converted to catecholamines. --- *Reviewed by the Dose AI Research Team and Clinical Advisory Board* *Last updated: 2026-04-06*
Reviewed by the Scan Dose Research Team and Clinical Advisory Board | Last updated:
Not medical advice. Based on published clinical research and systematic reviews.