Caffeine and L-Theanine
The classic nootropic stack: L-theanine smooths caffeine's jitters while preserving the focus boost.
Caffeine
The world's most popular cognitive stimulant.
L-Theanine
Calm, focused alertness from green tea.
Great to combine
These two are frequently stacked together; they complement each other and are commonly taken at the same time.
How to take them
Caffeine
- Dose
- 50–200 mg per dose
- Timing
- Earlier in the day; avoid within 8–10 hours of bedtime
L-Theanine
- Dose
- 100–200 mg per dose
- Timing
- With caffeine for focus, or alone in the evening for calm
Buying Caffeine and L-Theanine?
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Frequently asked
Can you take Caffeine and L-Theanine together?
Yes, they are commonly taken together. The classic nootropic stack: L-theanine smooths caffeine's jitters while preserving the focus boost.
What's the best time to take Caffeine and L-Theanine?
Around the same time works well. Caffeine: Earlier in the day; avoid within 8–10 hours of bedtime. L-Theanine: With caffeine for focus, or alone in the evening for calm.
How do Caffeine and L-Theanine interact?
Synergy: Work better together than alone. The classic nootropic stack: L-theanine smooths caffeine's jitters while preserving the focus boost.
Related pairings
Alpha-GPC + Caffeine
Commonly paired pre-workout and in focus stacks; alpha-GPC supports power output and acetylcholine while caffeine adds stimulation.
Caffeine + Taurine
Taurine is a staple of energy drinks alongside caffeine, where it is thought to smooth the stimulant's edge and support cardiac function.
Caffeine + L-Tyrosine
Tyrosine and caffeine are commonly stacked for sustained focus; tyrosine may offset the catecholamine depletion that follows caffeine's stimulant effect.
Caffeine + Creatine
Some early data hinted caffeine might blunt creatine's effects; evidence is mixed and any effect is likely minor.