L-Theanine, 60 Capsules
Integrative Therapeutics L-Theanine delivers the free-form amino acid found naturally in green tea, formulated to support relaxed alertness and a calm mental state without sedation.
May be a fit for
- Adults seeking L-theanine to support calm, focused mental clarity
- Individuals using L-theanine to help maintain relaxation without drowsiness
- Practitioners protocols requiring L-theanine for stress-related cognitive support
Save together with Wellness Circles
Invite friends or family to a Wellness Circle. Your group can unlock savings together. See current tiers and terms before joining.
Explore Wellness CirclesA closer look.
Integrative Therapeutics L-Theanine delivers the free-form amino acid found naturally in green tea, formulated to support relaxed alertness and a calm mental state without sedation. It's a practical option for adults seeking to maintain focus and composure during everyday stress.
Why It's Worth Considering: Integrative Therapeutics is a practitioner-channel brand with rigorous manufacturing standards; this product delivers L-theanine in free-form amino acid format, the same structure studied for its calming and cognitive support effects.
50+ signals. A clearer standard.
Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.
Our score is an editorial assessment, not a product certification or a guarantee of results.
Integrative Therapeutics · 60 CapsulesMake it part of your routine.
Adults take 2 capsules one to two times daily.
Read the complete labelProduct details
Supplement facts & complete label
Serving Size:
2 Capsules
Amount Per Serving:
L-Theanine ... 200 mg
Other Ingredients:
cellulose, plant-derived capsule (hypromellose), magnesium stearate
L-Theanine Does Not Contain: Wheat, Gluten, Corn, Soy, Dairy, Colors or Flavors
Warning: If you are pregnant, nursing, or taking prescription drugs, consult your healthcare professional prior to use.Keep out of reach of children.Keep bottle tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.
Label directions
Adults take 2 capsules one to two times daily.
Source: authorized supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
Who it may suit
May be a fit for
- Adults seeking L-theanine to support calm, focused mental clarity
- Individuals using L-theanine to help maintain relaxation without drowsiness
- Practitioners protocols requiring L-theanine for stress-related cognitive support
- Those supporting healthy sleep onset with L-theanine supplementation
Considerations
- Taking blood pressure medications (L-theanine may lower BP)
- Very low blood pressure already
- Generally very safe — one of the best-tolerated supplements
Explore complementary products
Pure Encapsulations - Magnesium (Glycinate), 180 CapsulesL-theanine promotes alpha brain waves while magnesium supports GABA. Together they provide calm, clear-headed focus without sedation.$46.99
Thorne - Ashwagandha, 30 CapsulesL-theanine for acute anxiety relief (works in 30-60 min) + ashwagandha for long-term cortisol management. Immediate + sustained calming.$22.99Real reviews. A wider perspective.
Customer reviews, social conversations and expert insights, with every source in view.
- Marketplaces & brand websites
- Amazon, iHerb and direct brand reviews
- Social & community
- Reddit, X, Instagram and TikTok
- Video & creators
- YouTube and creator perspectives
Coverage varies by product and brand.
1652 product and brand ratings and mentions across 8 sources.
These are broader practitioner and research perspectives. They may discuss the brand or other products, rather than this exact formula.
Explore the source sentiment summary
Strong consensus that L-Theanine effectively reduces anxiety and mental chatter while promoting calm focus without sedation.
This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.
A few useful answers.
Research & further reading
More category questions
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.