Home / Ingredients / L-Theanine
Ingredient glossary

L-Theanine

What it is

An amino acid from green tea leaves.

What it does

Promotes calm, focused relaxation without sedation. It quiets the racing-mind feeling rather than knocking you out.

The dose that works

100–200mg.

Where it lives in the system

Sleep (200mg).

Good to know

It's also why green tea feels smoother than coffee at the same caffeine dose.

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.