Item # Quantity Type
445 100 Capsules

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L-Theanine

Amino Acids

Windmill®

L-Theanine is a naturally occurring, non-protein amino acid commonly found in tea leaves, particularly green tea and loose-leaf varieties (Camellia sinensis). Our body does not produce L-Theanine on its own, it must be obtained through diet or supplementation, making a high-quality supplement a convenient way to support daily wellness.†

  • Cognitive Support†
  • Promotes Relaxation†

For additional formula information, view the Supplement Facts panel. 

All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose cGMP (current Good Manufacturing Practice) are independently verified by qualified certification organizations. 

  • Non GMO
  • Gluten Free

Windmill is a trusted name that has been providing quality supplements for over 50 years.

†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.

Supplement Facts

Serving Size: 1 Capsule

Amount Per Serving % DV
L-Theanine 200 mg *

Other Ingredients: Microcrystalline cellulose, gelatin (capsule), magnesium stearate, silica and rice flour.

FREE OF: SUGAR, WHEAT, SOY, MILK, ARTIFICIAL COLORS, FLAVORS OR PRESERVATIVES

SUGGESTED USE: Take 1 capsule daily as a dietary supplement or as directed by a healthcare professional.