Best Supplements for Reduced Reaction Time
Ranked by research evidence. Compare 4 supplements across 6 papers from the biomedical literature, with effect direction, evidence strength, and dose range for each.
Top picks by evidence
- Low evidence3 studies
Across 3 studies, 2 reported beneficial effects of L-theanine on reduced reaction time, with effect sizes ranging from small to large. The evidence is preliminary and primarily limited to sleep-deprived young adults, with doses of 200 mg showing potential acute benefits. One study reported a neutral finding, noting that L-theanine did not significantly differ from placebo despite within-group improvements.
Dose: 200 mg single dose
4 supplements
- LowL-TheanineAcross 3 studies, 2 reported beneficial effects of L-theanine on reduced reaction time, with effect sizes ranging from small to large. The evidence is preliminary and primarily limited to sleep-deprived young adults, with doses of 200 mg showing potential acute benefits. One study reported a neutral finding, noting that L-theanine did not significantly differ from placebo despite within-group improvements. · Dose: 200 mg single dose2 beneficial1 neutral3 studies