Goal
Best Supplements for Focus
2 evidence-based options for focus, summarized from the research: what they do, how to dose them, and how they work together.
Caffeine
The world's most popular cognitive stimulant.
NootropicsStrong
2 connectionsEnergy · Focus
L-Theanine
Calm, focused alertness from green tea.
Amino AcidsModerate
3 connectionsFocus · Relaxation
Combinations to know
How these supplements pair with each other and beyond.
Synergy
Caffeine + L-Theanine
The classic nootropic stack: L-theanine smooths caffeine's jitters while preserving the focus boost.
Nootropics · Amino Acids
Synergy
Ashwagandha + L-Theanine
Both promote calm; frequently stacked for stress management.
Adaptogens · Amino Acids
Synergy
L-Theanine + Magnesium
Both calm the nervous system, a popular combination for relaxation and sleep.
Amino Acids · Minerals
Use with care
Caffeine + Creatine
Some early data hinted caffeine might blunt creatine's effects; evidence is mixed and any effect is likely minor.
Nootropics · Amino Acids