L-Theanine
Also known as: γ-glutamylethylamide
Smooths out caffeine, fewer jitters, better focus, no crash.
- Clinical dose
- 100–200 mg paired with caffeine; up to 400 mg standalone
- Typical label dose
- 100–400 mg
- Category
- Nootropic
- Calm Focus
- Anti-Jitter
- Mental Clarity
- Mood
What it is & how it works
Crosses the blood-brain barrier, raises alpha brain waves, modulates GABA/dopamine.
Dosage
The clinically studied dose is 100–200 mg paired with caffeine; up to 400 mg standalone.On labels you'll typically see 100–400 mg.
What the research shows
The classic caffeine partner, stacked 2:1 (theanine:caffeine) it kills jitters and turns the buzz into focused attention.
Studies & citations
Formulas it appears in
- Pre-Workout
- Nootropic
- Focus Formula
- Energy Drink
Stim pre-workouts, nootropics, focus formulas (often 2:1 caffeine:theanine)
Categories
L-Theanine FAQ
What is L-Theanine?
Smooths out caffeine, fewer jitters, better focus, no crash.
How much L-Theanine should I take per day?
The clinically studied dose is 100–200 mg paired with caffeine; up to 400 mg standalone.
What does L-Theanine do?
The classic caffeine partner, stacked 2:1 (theanine:caffeine) it kills jitters and turns the buzz into focused attention.
What is L-Theanine found in?
Stim pre-workouts, nootropics, focus formulas (often 2:1 caffeine:theanine)
Related Nootropic ingredients
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Educational information only, not medical advice, doses reflect published research. Check with a healthcare professional before starting any supplement.