L-theanine

Learn what L-theanine is, how it supports calm, focus, and sleep routines, and how to choose a high-quality supplement.

What is L-theanine?

L-theanine is an amino acid naturally found in tea leaves.

In supplements, it is commonly used to support calm, focus, and relaxation without drowsiness.

Where does L-theanine come from?

L-theanine is most commonly associated with green tea, where it contributes to a sense of calm alertness. 

In supplement form, it is typically used in targeted formulas designed to support relaxation, focus, and sleep routines. 

Explore L-theanine supplements

Formulas designed to support calm, focus, and sleep routines
RMP.00730 Youtheory Relax Magnesium Powder Berry Flavor 4.4 oz Product Main Image
$23.99
Relax Magnesium Powder
SC.00026 Youtheory Sleep Capsule 60 Capsules Product Main Image
$24.99
Sleep Capsules
Sold Out

Why quality L-theanine matters

Frequently asked questions

L-theanine is commonly used to support calm, focus, and relaxation. 

It is often included in routines focused on managing stress and supporting sleep. 

L-theanine is available in different formats, including capsules. 

It is typically taken as part of a daily routine or in the evening, depending on the product. 

L-theanine is often included in daily supplement routines. 

As with any supplement, it’s important to follow the recommended usage on the product label.

Sources

Kimura, K. et al. (2007). L-theanine and relaxation. Biological Psychology. 

Juneja, L. R. et al. (1999). L-theanine properties. Trends in Food Science. 

Unno, K. et al. (2018). Theanine and stress response. Nutrients. 

*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.