



L-Theanine Powder
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Benefits
Time to notice full effects: 1-2 Weeks (With Immediate Effects)
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Stress
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Sleep
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Focus
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Cognition
Summary
L-Theanine, a non-protein amino acid from green tea, helps reduce stress, improve cognitive function, and enhance attention, especially when combined with caffeine. It also supports a balanced immune response under stress.
Product Usage
100mg (Per Serving)
Flexible
With Or Without Food
1-2 Times Daily
The Science
Product Information Reviewed By
Our Scientific Advisory Board




Who Are They?
- Dr. Lindsey Faucette, DO, Board Certified
- Dr. Lance Dreher, (Doctor Fitness) PhD
- Dr. Ellie Abraham PhD
- Kerry Hughes, M.Sc., RH(AHG), FDN-P
What Our Scientific Board Does
The Process

What Do They Do?
- Review Product Claims
- Review Cited Research
- Suggest Changes to Claims
- Approves Final Conclusions
Overview Of The Scientific Evidence
Our Research Snapshot

What Does The Research Show?
Studies show L-Theanine reduces stress, supports mental focus (especially with caffeine), and promotes immune health under stress.
See The Scientific EvidenceL-Theanine Powder
L-theanine is considered a non-dietary amino acid, but it can still provide a wide range of potential benefits when supplemented. Read ahead to learn more about this nootropic and how you may use it to enhance cognition.
What Is L-Theanine Powder?
L-Theanine Powder is derived from Camellia sinensis--the tea plant. Black, green, and white teas all come from the Camellia sinensis plant and also provide the compound. L-Theanine is an amino acid, but it isn’t an essential amino acid or one of the more common nonessential amino acids that you might be more familiar with.
Although tea has been consumed for centuries and touted for its benefits for just as long, it was only in 1949 that L-Theanine was discovered as a constituent in green tea. L-Theanine has been used in various food and drink items in Japan since the 1960s. Perhaps surprisingly, L-Theanine can provide an umami (savory) flavor.
L-Theanine Benefits
- Potentiates GABA*
- Promotes relaxation*
- Support healthy sleep cycles*
- Support healthy stress levels*
- Promote feelings of well-being*
- Support cognitive function and focus*
- Synergistic effects with Caffeine*
Why Buy L-Theanine Powder?
L-Theanine is a naturally derived supplement that has been given GRAS status by the United States FDA, meaning that the compound is generally recognized as safe.
L-Theanine Dosage
As a dietary supplement, take 100mg of L-Theanine 1-2 times daily.
Where to Buy L-Theanine Powder
Nootropics Depot offers 125g or 500g jars of high quality L-Theanine powder. Nootropics Depot's L-Theanine has been lab-tested and verified for both product purity and identity. L-Theanine has been granted GRAS (generally recognized as safe) status in the United States.
Read L-Theanine Reviews
Get more insight by reading L-Theanine reviews and experiences below.
You may also be interested in L-Theanine Capsules.
*Attention: 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. |
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