L-Theanine

Explore L-Theanine Supplements

Support calm and relaxation*

L-theanine is used to support calm, relaxation, and mental balance. Shop supplements featuring L-theanine in formats that fit your daily routine. *

Filter:

Ingredients Match all
0 selected Match all Reset
Formats
0 selected Reset
Availability
0 selected Reset

1 product

31001882 Youtheory Relax Magnesium Powder - Berry Flavour, Berry, 126 g Product Main Image

Why youtheory®

Clinically studied graphic icon depicting a clipboard with a checkmark in front of it

Backed by Science

We are committed to providing the highest quality supplements with proven ingredients
Transparent labelling graphic icon depicting a globe with a leaf in front of it

Transparent Labelling

We don't hide behind proprietary blends, we trace our ingredients back to the source
3rd party testing graphic icon

Committed to Quality

Our products are rigorously tested for purity & potency

L-theanine

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