energy focus · 60 servings
L-Theanine + Caffeine
The 2:1 ratio (200 mg L-theanine, 100 mg caffeine) shown to improve attention without the jitters. Like a third coffee with none of the cost.
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Why this formula
Caffeine alone sharpens attention but raises heart rate and induces jitter. L-theanine alone calms but doesn't energize. Combined at a 2:1 ratio, they produce the focus-without-anxiety state that has been the subject of fifteen separate clinical trials. We use Suntheanine®, the only L-theanine with a clean safety profile and clinical data.
Supplement Facts
| Serving Size: as directed | Amount | %DV |
|---|---|---|
| L-Theanine (as Suntheanine®) | 200 mg | — |
| Caffeine (from green tea extract) | 100 mg | — |
Other ingredients: Hypromellose (vegetable capsule), microcrystalline cellulose, rice hulls.
Directions
Take 1 capsule in the morning or before a focused work session. Skip after 2 PM to protect sleep.
Third-party testing
- ✓Informed Sport
- ✓NSF Contents Tested
From the literature
Meta-analysis of 11 trials (Camfield et al., 2014) showed attention improvements at 100 mg / 200 mg combination.
Stacks with
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