Sports Research Double Strength L-Theanine Supplement – Suntheanine Softgels for Focus, Relaxation & Alertness – Non-Drowsy Support Made with Coconut Oil, Non-GMO & Gluten Free – 200mg, 60 Count | Double Strength Relaxation, Focus & Mood Support – Made w/ Organic Coconut Oil, Non-GMO, Gluten-Free

Price: $19.95 - $13.96
(as of Jun 23, 2026 13:40:45 UTC – Details)

Product description

Sports Research L-Theanine

Experience an improved state of relaxation and focus without drowsiness. Just one daily softgel helps promote an increase in Alpha brain waves, thanks to the clinically researched Suntheanine.*

Made with Suntheanine

Suntheanine is produced via a patented enzymatic fermentation process that mimics the natural enzymatic process of L-theanine production in tea, resulting in a nearly 100% pure L-isomer-theanine.

Premium Experience

We strive to deliver exceptional quality, including our ingredients. This daily formula is encapsulated in a daily liquid softgel, free of artificial fillers or colors.

Unparalleled Quality

You can rest assured that you’re consuming an L-theanine supplement that is gluten-free, non-GMO, third-party tested, and held to superior quality standards.

More Quality Sports Research Products

Customer Reviews

4.7 out of 5 stars 32,763

4.8 out of 5 stars 2,491

4.7 out of 5 stars 53,260

4.7 out of 5 stars 60,377

4.5 out of 5 stars 191

4.5 out of 5 stars 4,084

4.7 out of 5 stars 53,260

Price

$18.86$18.86

$20.96$20.96

$16.76$16.76

$19.56$19.56

$16.06$16.06

$13.96$13.96

$16.76$16.76

What’s it for?

Brain & Body Fuel*

Memory & Cognition*

Bone & Immune Health*

Brain & Heart Health*

Rehydration

Skin Hydration*

Bone & Immune Health*

What’s inside?

Organic MCT Oil from Coconut

Magnesium L-threonate

Vit. D3 & K2, Coconut MCT Oil

Wild Alaska Pollock Fish Oil

400mg Sodium, 200mg Potassium

Plant-Based Ceramides

Vit. D3 & K2, Coconut MCT Oil

Product form

Liquid Oil

Veggie-Capsule

Veggie-Softgel

Fish-Softgel

Powder

Liquid Softgel

Veggie-Softgel

Diet Type

Keto, Vegan, Low-Carb

Vegan, Gluten & Dairy Free

Plant-Based, Vegan,Gluten-Free

Pescatarian, Keto, Gluten-Free

Vegan, Low-Carb

Gluten & Soy Free

Plant-Based, Vegan,Gluten-Free

Non-GMO, Soy & Gluten-free

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Manufactured in cGMP facility

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Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 2.13 x 2.13 x 4 inches; 1.76 ounces
Item model number ‏ : ‎ 023249010173
Date First Available ‏ : ‎ February 24, 2015
Manufacturer ‏ : ‎ Sports Research
ASIN ‏ : ‎ B00TXY32FY
Best Sellers Rank: #1,199 in Health & Household (See Top 100 in Health & Household) #20 in Amino Acid Nutritional Supplements
Customer Reviews: 4.5 4.5 out of 5 stars (15,145) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

ALERT & CALM: L-Theanine, commonly found in the flavonoid herbal green tea, is used as an ayurvedic substitute for those who want the antioxidant benefits of green tea but without caffeine. Encapsulated in a once-daily liquid softgel, our L-Theanine supports feelings of relaxation, calm, focus, and alertness*
DOUBLE THE SUPPORT: To optimize your potential and give the utmost support, our L-theanine 200 mg amino acid softgels provide double the amount of L-theanine green tea extract commonly found in energy supplements in a convenient max-strength formula
PATENTED SUNTHEANINE: Formulated with patented and clinically researched Suntheanine—you get all of the alertness and relaxation (+ the increase in alpha brain waves) without the jitters or crash of caffeine, energy pills, or energy drinks*
PREMIUM INGREDIENTS: We hold all of our supplements to a higher standard. Rest assured that your L-Theanine is crafted using 100% organic coconut oil and an entirely non-GMO verified, gluten-free and soy-free product. Manufactured in the USA in cGMP-compliant facilities
THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out

Product summary

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