L-Theanine 200mg, 60 Capsules
Vital Nutrients L-Theanine delivers 200mg of free-form L-theanine per capsule, an amino acid naturally found in green tea that supports relaxed alertness and may help maintain a calm mental state without promoting drowsiness.
May be a fit for
- Adults seeking L-theanine to support calm focus during stressful workdays
- Individuals using L-theanine to help maintain relaxed alertness without drowsiness
- Practitioners protocols requiring 200mg L-theanine for stress response support
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Vital Nutrients L-Theanine delivers 200mg of free-form L-theanine per capsule, an amino acid naturally found in green tea that supports relaxed alertness and may help maintain a calm mental state without promoting drowsiness. Formulated by Vital Nutrients, a practitioner-grade brand recognized for rigorous third-party testing and clean-label manufacturing, this product is well-suited for adults seeking cognitive and stress-response support.
Why It's Worth Considering: The 200mg dose aligns with clinically studied ranges, and Vital Nutrients' commitment to purity testing makes this a reliable option for practitioners and discerning consumers alike.
Product details
Who it may suit
May be a fit for
- Adults seeking L-theanine to support calm focus during stressful workdays
- Individuals using L-theanine to help maintain relaxed alertness without drowsiness
- Practitioners protocols requiring 200mg L-theanine for stress response support
- Those supporting healthy sleep onset with a standalone L-theanine formula
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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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.