Capsules · 60 capsules · 30 servings · $0.76/serving
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.
Adults take 2 capsules one to two times daily.
Ingredient information is provided above. A clear label image is not available yet.
View original supplier image (quality may be limited)Source: Fullscript supplier catalog · September 06, 2026. Formulas and labels can change. Check the packaging you receive.
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.
Adults take 2 capsules one to two times daily.
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.
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.
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.
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.
Apotheca is analyzing ingredient interactions, stacking compatibility, and timing recommendations for Integrative Therapeutics - L-Theanine. This data will be available soon.
† 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.
