Key Benefits

• Provides 200 mg L Theanine per serving.

• Contains a single amino acid ingredient.

• Free from soy and gluten.

L Theanine is a naturally occurring amino acid that is structurally similar to certain neurotransmitters found in the body. It is not commonly obtained through everyday dietary sources and is therefore often consumed in supplemental form. This formulation provides 200 mg of L Theanine per serving using a straightforward ingredient profile. It is free from soy and gluten and produced using non GMO ingredients, making it suitable for everyday dietary use.

Double Wood Supplements, founded by twin brothers Reese and Evan Wood in 2013, was created with a focus on transparency, quality, and accessibility. The brand is known for its straightforward, single-ingredient formulations that allow customers to make informed choices about their wellbeing. Each product is third-party tested, with Certificates of Analysis available to ensure safety and integrity. Through its commitment to science and honesty, Double Wood Supplements continues to make high-quality products available to everyone.

With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.

Learn more about each step — Brand Discovery, Expert Validation, and Community Testing — here.

L-Theanine, Gelatin (Capsule), Rice Flour, Anti-Caking Agent (Vegetable Stearate), Anti-Caking Agent (Silicon Dioxide)

The typically recommended dosage of L-Theanine is 100 – 200 mg, although when combined with Caffeine a dosage of 200 mg is more common. There is evidence that exceeding a dosage of 200 mg has little additional benefit, as when more than 200 mg is taken the excess is used by the body as a raw material for protein production.

While the standard 200 mg dosage can be exceeded without much risk of adverse side effects, it is generally a waste of money and is not recommended.

Additional Information:

Food supplements and foods sold by Healf should not be used as a substitute for a varied, balanced diet and healthy lifestyle.

If you are pregnant, breastfeeding, have a medical condition, or are taking any medications, please consult with a healthcare professional before use. Use products only if the seal is intact. Store in a cool, dry place, out of the reach of young children. Do not exceed the recommended daily intake.

We make every effort to ensure that product information on our website is accurate and up to date, but packaging and ingredients may occasionally vary from images shown on site. Please refer to the product label and contact Healf before use if you have any questions regarding your specific allergies or intolerances.