L-Theanine 200mg, 60 Capsules
DaVinci Labs L-Theanine 200mg delivers a clinically studied dose of L-theanine, a free-form amino acid naturally found in green tea, in each capsule.
May be a fit for
- Adults seeking L-theanine support for calm, focused mental clarity
- Individuals using L-theanine to help maintain composure during stressful workdays
- Practitioners protocols requiring 200mg L-theanine for relaxation without sedation
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DaVinci Labs L-Theanine 200mg delivers a clinically studied dose of L-theanine, a free-form amino acid naturally found in green tea, in each capsule. This compound is commonly used to support relaxed alertness, mental calm, and healthy stress response without promoting drowsiness, making it well-suited for those managing everyday cognitive demands.
Why It's Worth Considering: DaVinci Labs is a practitioner-trusted brand known for clean, straightforward formulations; the 200mg dose aligns with amounts used in research on focus and relaxation support.
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Product details
Who it may suit
May be a fit for
- Adults seeking L-theanine support for calm, focused mental clarity
- Individuals using L-theanine to help maintain composure during stressful workdays
- Practitioners protocols requiring 200mg L-theanine for relaxation without sedation
- Those supporting healthy sleep onset with a non-drowsy amino acid compound
Considerations
- Taking blood pressure medications (L-theanine may lower BP)
- Very low blood pressure already
- Generally very safe — one of the best-tolerated supplements
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L-Theanine is widely praised for reducing anxiety and brain fog while promoting calm, focused clarity without sedation, especially paired with caffeine.
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How fast does L-theanine work?
L-theanine produces measurable alpha brain wave increases within 30-40 minutes of ingestion. Most people notice a sense of calm focus within 30-60 minutes. Unlike prescription anti-anxiety medications, it works quickly without sedation, cognitive impairment, or dependence.
Can I take L-theanine with coffee?
Yes — this is the most well-studied nootropic combination. L-theanine (200mg) smooths caffeine's stimulatory effects, reducing jitteriness and anxiety while preserving alertness and focus. Studies show the combination improves attention and task-switching better than either alone. The ideal ratio is 2:1 theanine to caffeine.
Is L-theanine safe to take every day?
Yes. L-theanine is one of the safest supplements available — it's the primary amino acid in green tea. Doses up to 400mg/day have shown no adverse effects in clinical studies. No tolerance builds up, no withdrawal, and no dependence. It can be taken daily for years without concern.
Does L-theanine help with sleep?
L-theanine improves sleep QUALITY without causing drowsiness — it promotes relaxation and reduces racing thoughts, making it easier to fall asleep. It's particularly effective for people whose insomnia is driven by anxiety or an overactive mind. Take 200-400mg about 1 hour before bed. Unlike melatonin, it won't make you groggy if you need to wake up.
Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.