Superior Labs – Pure L-Theanine Non-GMO, No Additives – 250mg, 90 Vegetable Capsules – Powerful Formula for Healthy Sleep and Mood – Dietary Supplement for Calming and Relaxation
$22.95
Price: $22.95
(as of Jun 08, 2025 08:13:35 UTC – Details)
Product Description
HEALTHY MOOD, SLEEP, & CALMING – Powerful formula containing long-lasting high dosage 250mg and 90 vegetable capsules of pure L-Theanine.*
PURITY and POTENCY – WITHOUT SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS – Our products never contain unnecessary additives such as stearates, dioxides, glycerides or fillers that are often used to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through a rigorous process making purity, safety, and quality our priority.
UNCOMPROMISING QUALITY – Our products are produced in facilities that have been 3rd party audited for quality that exceed the industry standards.
PROUDLY SERVING OUR CUSTOMERS – Providing superior quality for over a decade with more than 1 million happy customers.
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Customer Reviews
4.3 out of 5 stars 175
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4.3 out of 5 stars 105
4.4 out of 5 stars 656
4.5 out of 5 stars 575
Price
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Purity
✓
✓
✓
✓
✓
No Heavy Metals
✓
✓
✓
✓
✓
Accurate Potency
✓
✓
✓
✓
✓
Superior Quality
✓
✓
✓
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✓
Is Discontinued By Manufacturer : No
Package Dimensions : 4.84 x 2.28 x 2.24 inches; 0.01 ounces
Date First Available : March 24, 2015
Manufacturer : Superior Labs
ASIN : B00V5I68V6
HEALTHY MOOD, RELAXATION, CALMING – L-Theanine is an analog of the amino acids L-Glutamine and L-Glutamic Acid and is derived primarily from tea leaves. L-Theanine has been shown to effectively bring on relaxation without inducing drowsiness, and relieve mental and physical tension.*
ZERO UNNATURAL INGREDIENTS – Our product contains NO unnatural ingredients such as magnesium stearate, silicon dioxide, titanium dioxide and other potentially harmful unnatural ingredients that are commonly found in other brands.
ABSOLUTE PURITY – ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS – You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
UNQUESTIONABLE QUALITY – Our products are manufactured in facilities that undergo rigorous third-party audits to ensure the highest standards of quality. This strict quality assurance process is designed to meet and exceed industry standards, ensuring that our products are of the highest caliber supplements in the market place.
NO RISK AND NO HASSLE – For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we’ll gladly refund your money in 48 hours or less. That’s it – no questions, no hassle, no risk.
Customers say
Customers find the L-Theanine supplement effective for reducing anxiety and improving mood, with one noting it helps with relaxation and focus. Moreover, the supplement helps with sleep quality, allowing them to get between 5-7 hours of restful sleep without drowsiness. They appreciate its high quality, noting it’s stronger than other brands, and report no side effects. Additionally, customers value its clarity-enhancing effects and focus-improving properties, and find it offers good value for money.
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