L-Theanine 150 mg
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
What the Evidence Says
AI-generated · Qwen 3.6 · grounded in 1 source · methodologyL-theanine is supported by moderate evidence for its ability to promote relaxation and reduce stress without causing sedation. Research indicates it may improve focus and cognitive performance when paired with caffeine. The ingredient is generally recognized as safe for most adults.
AI-generated summary based on research evidence. Not medical advice.
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Label Data
Supplement Facts — Evidence Check
Other Ingredients
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Product Information
Directions for Use
Suggested Adult Use: Take 1 capsule daily without food, or as recommended by a nutritionally informed physician.
Warnings & Precautions
Warning: Not recommended for individuals who are pregnant and nursing.
Formulation Notes
Doctor's Best L-Theanine contains Suntheanine, the purest form of L-Theanine on the market produced via a patented process that mimics the natural process in green tea leaves. L-Theanine helps promote a healthy mood and a restful relaxed state while maintaining daytime alertness.
Helps promote relaxation without drowsiness Helps reduce stress and tension
Vegan
Non-GMO Gluten free Soy free
Additional Information
Helps promote a relaxed state without drowsiness Helps ease stress and everyday nervous tension Helps promote a healthy mood and alertness Helps diminish normal symptoms of premenstrual syndrome (PMS)
Store in a cool dry place.
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Research Evidence
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.