L-Theanine
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 strong evidence for its ability to promote relaxation and reduce stress without causing sedation. Research indicates it may improve cognitive focus and attention when paired with caffeine. The ingredient profile is associated with a high safety rating.
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 Use: As a dietary supplement, adults take 1 capsule one to two times daily, or as directed by your health care practitioner. Best when taken with a meal.
Warnings & Precautions
Caution: Do not exceed recommended dosage.
Please consult physician before consuming this product if pregnant or nursing, taking medication or have a medical condition.
Not intended for use by individuals under the age of 18.
Do not use if safety seal is damaged or missing.
Keep out of reach of children.
Formulation Notes
L-Theanine is an analog of the amino acids L-Glutamine and L-glutamic acid. L-Theanine supports relaxation, and maintains mental clarity.
L-Theanine capsules manufactured by Superior Labs contain 250mg pure L-Theanine with absolutely no magnesium stearate, dioxides, preservatives or other potentially harmful artificial ingredients of any kind.
L-Theanine capsules manufactured by Superior Labs contain 250mg pure L-Theanine with absolutely no magnesium stearate, dioxides, preservatives or other potentially harmful artificial ingredients of any kind.
This product is formulated, developed and manufactured in an FDA registered and GMP compliant facility, 3rd party inspected by a leading compliance authority for quality assurance.
100% Natural Pure and potent Amino acid
Induce relaxation Support brain function Support cardiovascular function Relieve mental and physical stress
Does Not Contain: Magnesium stearate, dioxides, preservatives, or artificial ingredients of any kind.
Additional Information
Store in a cool, dry place.
Metal Safe Heavy Metal Tested Made in USA Certified GMP Facility
Product Details
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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.