Natures Pulse
Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes Alertness, Focus, and Relaxation without Drowsiness - 200 mg L Theanine Supplement - 60 Softgel Capsules
Sports Research Double Strength ‘Suntheanine’ L-Theanine with Organic Coconut Oil - Promotes Alertness, Focus, and Relaxation without Drowsiness - 200 mg L Theanine Supplement - 60 Softgel Capsules
Couldn't load pickup availability

Sports Research L-Theanine
Experience an improved state of relaxation 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
![]() Omega-3 Fish Oil |
![]() Biotin |
![]() Vitamin D3 |
![]() Collagen Peptides |
![]() CoQ10 |
![]() Turmeric Curcumin |
![]() Creatine Monohydrate |
|
---|---|---|---|---|---|---|---|
Customer Reviews
|
4.6 out of 5 stars
45,009
|
4.4 out of 5 stars
37,192
|
4.6 out of 5 stars
16,340
|
4.4 out of 5 stars
124,649
|
4.6 out of 5 stars
5,681
|
4.4 out of 5 stars
9,501
|
4.6 out of 5 stars
2,017
|
Price
|
$36.95$36.95 | $26.95$26.95 | $21.95$21.95 | $44.95$44.95 | $37.95$37.95 | $43.95$43.95 | $29.95$29.95 |
What's it for?
|
Brain & Heart Health* | Supports Healthy Hair & Skin* | Bone & Immune Health Support* | Skin, Nails, Joints & Bones* | Provides Antioxidant Benefits* | Antioxidant Activity* | Performance & Strength* |
What's inside?
|
Wild Alaska Pollock Fish Oil | Vitamin B7, Coconut Oil | Vitamin D | Hydrolyzed Collagen Peptides | CoQ10, Bioperine Black Pepper | Turmeric Curcumin, Coconut Oil | 5g Creatine Monohydrate |
Product form
|
Fish-Softgel | Veggie-Softgel | Softgels | Powder | Veggie-Softgel | Liquid Softgel | Powder |
Diet type
|
Pescatarian, Keto, Gluten-Free | Vegan, Dairy Free | Gluten & Dairy Free | Keto, Paleo, Low-Carb | Vegan, Gluten Free | Keto, Gluten & Dairy Free | Vegan, Gluten-Free |
Non-GMO, Soy & Gluten-free
|
✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Manufactured in cGMP facility
|
✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
- ALERT & CALM: L-Theanine is an amino acid commonly found in green tea and is believed to help with relaxation. Suntheanine is patented, researched, and clinically proven to promote an alert state of relaxation and focus without any accompanying drowsiness. Get focused so you feel ready to take on the day!
- PREMIUM QUALITY: Sports Research is proud to offer products using only the best ingredients available so that you can have total peace of mind in the supplements that you are taking. Our L-Theanine 200mg softgel capsules are certified non-GMO and free of soy, gluten, artificial colors, Hexane, Stearates, and Titanium Dioxide.
- QUALITY CONTROL: Our products are made in cGMP compliant facilities in the United States, using only the best ingredients from domestic & international origins. For us, it's all about quality control - so you can have confidence in your dietary supplements.
- EASY TO USE: As a dietary supplement, simply take one (1) easy to swallow liquid softgel daily with or without food or as directed by your qualified healthcare professional. Promoting an increase in Alpha brain waves and a decrease in Beta brain waves, you'll find your spark and get the boost you need with none of the sugar or unwelcome side effects from energy drinks or energy supplements.
- THE SPORTS RESEARCH DIFFERENCE: Created in 1980, Sports Research is a privately-owned business born from a passion for fitness, wellness, and healing. Our goal is to help people live their best lives through real, research-backed ingredients created for every body — inside and out. We're fully dedicated to sourcing the highest quality products from around the world, backed by third party testing. We all deserve the best in our quest for healthy living. Our mission is to give you just that.
Brand | Sports Research |
Flavour | Unflavored |
Unit count | 60.00 Count |
Item form | Capsule |
Item weight | 0.2 Pounds |
Item dimensions L x W x H | 5.4 x 5.4 x 10.2 Centimetres |
Product benefits | Relaxation |
Age range (description) | Adult |
Package information | Bottle |
Number of Items | 1 |
Share








