Nootropic
Caffeine + Theanine Stack
Also known as: Smart caffeine
A
Evidence
The most popular beginner nootropic combination. Smooth, focused energy.
Primary uses
- Focus
- Energy
- Calm alertness
How it works
- Caffeine provides alertness
- Theanine smooths edges
- Alpha wave enhancement
Dosage
- Typical range
- 100mg caffeine + 200mg L-theanine
- Timing
- Morning/before work
- With food
- Optional
- Duration
- Safe daily
- Special populations
- Beginners, productivity
Forms
- Combined pills
- Separate
Safety
Common side effects
- Milder than caffeine alone
Contraindications
- Caffeine sensitivity
Evidence notes
Most popular basic stack
Grade A: Multiple well-designed human trials support the main claims.
Related in Nootropic
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