L-Theanine + Caffeine

Calm focus • Working memory • Sustained attention

Why Stack

Reduced Jitters

L-theanine modulates caffeine's stimulatory edge yielding smoother arousal and less anxiety.

Working Memory Boost

Synergistic improvements reported for n-back style tasks at 2:1 (theanine:caffeine) ratio.

Sustained Accuracy

Improved selective attention and reaction time over isolated caffeine use.

Ratios & Timing

Standard: 200 mg L-theanine + 100 mg caffeine (2:1).
Intro: 100 mg L-theanine + 50 mg caffeine.
High Demand: 400 mg L-theanine + 200 mg caffeine (experienced users).
Timing: 30–45 min pre training; avoid within 6–8 h of bedtime.

Safety

Assess caffeine sensitivity first.
Cycling (5 on / 2 off) may reduce tolerance.
Limit other stimulants same day.

Educational only. Not medical advice.