L-Tyrosine: Stress Resilience, Focus, and What the Evidence Shows
Key takeaways Best-supported use: acute stress and cognitive performance under high-demand conditions (sleep deprivation, cold exposure, multitasking under noise) — military and lab RCTs show 100–150 mg/kg tyrosine restored working memory and reaction time when depleted by stress (Hase et al., Neurosci Biobehav Rev). Works by replenishing dopamine and norepinephrine precursors that get depleted under … Read more