Amino Acids · Supplement

L-Theanine

Amino acid from green tea. Calm focus, reduces anxiety without sedation, smooths caffeine. Crosses BBB quickly.

Research PubMed 1 ↗ · PubMed 2 ↗

At a glance

CategoryAmino Acids

Common dose100–200 mg

TimingWith caffeine or as needed for focus

FormOral supplement

Note: Very low risk. Higher doses (>400 mg) can blunt motivation in some people.

Ranges shown are commonly referenced values for educational purposes and are not a recommendation or medical advice. Always consult a qualified healthcare provider before starting any compound.

Track L-Theanine with StackMindr

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L-Theanine FAQ

What is a common L-Theanine dose?

Commonly referenced protocols use 100–200 mg, with caffeine or as needed for focus. This is educational reference only — dosing should be set with a qualified healthcare provider.

When should you take L-Theanine?

L-Theanine is typically taken with caffeine or as needed for focus. StackMindr lets you set a reminder for the exact slot you take it.

Can I track L-Theanine in StackMindr?

Yes. L-Theanine is in StackMindr's built-in glossary of 130+ compounds. Add it to your schedule, set reminders, and track your results — free on iOS and Android.