Nirvana Guru
Sports Research Magtein Magnesium L-Threonate Capsules - Magnesium Supplement for Memory, Focus & Cognition - Magnesium L Threonate Supports Brain Health, Sleep & Mood - 2000mg, 90 Capsules for Adults
Sports Research Magtein Magnesium L-Threonate Capsules - Magnesium Supplement for Memory, Focus & Cognition - Magnesium L Threonate Supports Brain Health, Sleep & Mood - 2000mg, 90 Capsules for Adults
Couldn't load pickup availability

Sports Research Mag LT with Magtein
Magnesium L-Threonate is the only form of Magnesium that effectively crosses the blood-brain barrier, increasing magnesium levels in the brain critical for improving cognitive function.*

Made with Magtein
Our formula contains Magtein, a patented form of magnesium developed by MIT researchers and clinically proven to cross the blood-brain barrier.*
-
A Superior Experience
Magnesium L-threonate is the salt formed from mixing magnesium and threonic acid, a water-soluble substance derived from the metabolic breakdown of vitamin C.*
-
A Superior Experience
Magnesium L-threonate is the salt formed from mixing magnesium and threonic acid, a water-soluble substance derived from the metabolic breakdown of vitamin C.*


More Quality Sports Research Products
![]() Magnesium LT |
![]() Vitamin D3 + K2 |
![]() Omega-3 Fish Oil |
![]() Organic MCT Oil |
![]() L-Theanine |
![]() Hydrate Electrolytes |
![]() Phytoceramides |
|
---|---|---|---|---|---|---|---|
Customer Reviews
|
4.6 out of 5 stars 1,078
|
4.7 out of 5 stars 46,731
|
4.7 out of 5 stars 51,526
|
4.6 out of 5 stars 36,702
|
4.4 out of 5 stars 14,184
|
3.9 out of 5 stars 75
|
4.4 out of 5 stars 3,880
|
Price
|
$29.95$29.95 | $23.95$23.95 | $27.95$27.95 | $26.95$26.95 | $19.95$19.95 | $22.95$22.95 | $19.95$19.95 |
What's it for?
|
Memory & Cognition* | Bone & Immune Health* | Brain & Heart Health* | Brain & Body Fuel* | Relaxation & Focus* | Rehydration | Skin Hydration* |
What's inside?
|
Magnesium L-threonate | Vit. D3 & K2, Coconut MCT Oil | Wild Alaska Pollock Fish Oil | Organic MCT Oil from Coconut | L-Theanine, Coconut Oil | 400mg Sodium, 200mg Potassium | Plant-Based Ceramides |
Product form
|
Veggie-Capsule | Veggie-Softgel | Fish-Softgel | Liquid Oil | Liquid Softgel | Powder | Liquid Softgel |
Diet Type
|
Vegan, Gluten & Dairy Free | Plant-Based, Vegan,Gluten-Free | Pescatarian, Keto, Gluten-Free | Keto, Vegan, Low-Carb | Gluten & Soy Free | Powder | Gluten & Soy Free |
Non-GMO, Soy & Gluten-free
|
✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
Manufactured in cGMP facility
|
✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
- HIGHLY BIOAVAILABLE FORM: Magnesium L-threonate is the salt formed from mixing magnesium and threonic acid, a water-soluble substance derived from the metabolic breakdown of vitamin C. Easily absorbed, our magnesium L threonate capsules are used for their overall brain health benefits and may help support memory, focus, relaxation, mood, and cognition.
- MADE WITH MAGTEIN: Magtein is a patented compound called threonic acid developed by a group of MIT researchers. Magtein is the only form that effectively crosses the blood-brain barrier and increases magnesium levels in the brain, which is critical for improving cognitive function. Our easy-to-swallow Magtein magnesium L-threonate veggie capsules are the easiest, most convenient way to add this essential mineral to your daily diet.
- PREMIUM QUALITY: Sports Research takes pride in offering products that use only the best ingredients available so that you can have total peace of mind in the supplements that you are taking. Our magnesium supplement is verified non-GMO and free of gluten and gelatin.
- MANUFACTURED IN THE USA: 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. We offer ninety (90) magnesium pills for a one (1) month supply. Reap all the benefits of this powerful and healthy magnesium threonate supplement!
- 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 |
Item Form | Veggie-Capsule |
Primary Supplement Type | Made with Magtein |
Unit Count | 90.0 Count |
Flavor | Unflavored |
Share

















