L-Theanine supplies 100 mg of an amino acid that may promote a sense of calmness.


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L-Theanine, provided by Douglas Laboratories, supplies 100 mg of an amino acid that may promote a sense of calmness.


This product may be a useful dietary supplement for individuals wishing to support healthy mental functioning.


Each Vegetarian Capsule Contains:

  • L Theanine – 100 mg

Suggested Use

Adults take 1 capsule daily or as directed by one of our health coach professionals.

Side Effects

Warning: If you are pregnant or breastfeeding, or if you are taking any prescription medication, consult a physician prior to use. Excessive consumption may impair ability to drive or operate heavy machinery. Not recommended for consumption with alcoholic beverages.


Store in a cool, dry place, away from direct light. Keep out of reach of children.


Douglas Laboratories

Douglas Laboratories® researches, develops and manufactures the right suite of rigorously designed, science-based, healthy aging supplements, and provides customized practice support. With a 60-year heritage of innovating and designing products to meet the needs of healthcare professionals, we push the potential of both clinical practices and patients to continually perform at their personal best, today and in the future.
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