Life Extension Neuro-Mag Magnesium L-Threonate, Memory Health, Quick Thinking, Cognitive Health Support, Vegetarian, Non-GMO, 90 Vegetarian Capsules (144 mg from 2000 mg Magtein magnesium L-threonate
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Features
- Quick thinking: Want to stay sharp? Try magnesium L-threonate: this form of magnesium helped maintain executive function and quick thinking in clinical studies.
- Short-term memory: magnesium L-threonate helps support your working or short term memory health, so you dont forget where you put your car keys, etc.
- Cognitive health: magnesium plays an important role in your brain, supporting cognitive function. Magnesium L-Threonate is a special form of magnesium well-studied for cognitive health.
- Ingredients matter - Sourced using only the finest raw ingredients with the purity and potency your body deserves. The majority of our products are non-GMO, gluten-free and manufactured in the USAand a Certificate of Analysis is available for every product we produce.
- Live your healthiest life - For over 40 years, weve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. Thats why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
Description
Magnesium is an essential mineral that plays an important role in the brain: it helps support short-term or “working” memory as well as healthy cognitive function. If you’re looking to support mind, memory, and encourage healthy recall speeds, check out Neuro-Mag® Magnesium L-Threonate. This gluten free supplement is also non-GMO and vegetarian.
Brand: Life Extension
Item Form: Capsule
Primary Supplement Type: Magnesium
Unit Count: 90.00 Count
Flavor: Vegetarian
Is Discontinued By Manufacturer : No
Product Dimensions : 2.37 x 2.37 x 4.13 inches; 4.32 ounces
Item model number : 01603
Date First Available : July 26, 2017
Manufacturer : Life Extension
Best Sellers Rank: #169 in Health & Household (See Top 100 in Health & Household) #5 in Magnesium Mineral Supplements #24 in Diet & Sports Nutrition
#5 in Magnesium Mineral Supplements:
#24 in Diet & Sports Nutrition:
Customer Reviews: 4.6 4.6 out of 5 stars 21,762 ratings
Product Dimensions: 2.37 x 2.37 x 4.13 inches
Item Weight: 4.3 ounces
Manufacturer: Life Extension
Item model number: 01603
Is Discontinued By Manufacturer: No
Date First Available: July 26, 2017
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Oct 4
This item is non-returnable:
Non-returnable due to Food safety reasons
View our full returns policy here.
Non-returnable due to Food safety reasons
View our full returns policy here.
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Top Amazon Reviews
Life Extension’s Neuro-Mag Magnesium L-Threonate is a standout supplement designed to support cognitive health, and after trying it for several months, I can see why it’s so highly regarded. This product contains magnesium L-threonate, a unique form of magnesium that’s specifically formulated to cross the blood-brain barrier, making it highly effective for brain health. Each serving (three vegetarian capsules or one scoop of the tropical punch powder) delivers 2,000 mg of magnesium L-threonate, providing 144 mg of elemental magnesium. Here’s my take on its performance, benefits, and overall experience. Pros: • Cognitive Support: I noticed improved mental clarity and focus after about two weeks of consistent use. Tasks that require working memory, like recalling details or multitasking, felt smoother and less taxing. This aligns with research indicating magnesium L-threonate’s ability to enhance synaptic density and cognitive function, particularly in aging individuals. • Sleep Benefits: While not marketed primarily for sleep, I found that taking it about an hour before bed helped me fall asleep faster and wake up feeling refreshed. This echoes user experiences shared on platforms like X, where some reported better sleep quality and daytime alertness. • High Absorption: Unlike other magnesium forms like oxide or citrate, which are better for whole-body benefits, magnesium L-threonate is designed for brain absorption. Studies cited by Life Extension show it can boost magnesium levels in cerebrospinal fluid by 15% in animal models, which likely contributes to its cognitive effects. • Clean Formula: The capsules are gluten-free, non-GMO, and vegetarian, with no major allergens or unnecessary fillers. The powder version has a pleasant tropical punch flavor, making it easy to mix with water or juice. • Trusted Brand: Life Extension’s rigorous testing for purity and potency gives confidence in the product’s quality. Their transparency, including offering Certificates of Analysis, is reassuring. Cons: • Price Point: Neuro-Mag is pricier than standard magnesium supplements, which might be a drawback for budget-conscious buyers. However, the specialized form and targeted benefits justify the cost for those prioritizing brain health. • Time to Notice Effects: While some users report benefits in as little as six weeks, full effects may take up to 12 weeks, requiring patience. Final Verdict: Life Extension’s Neuro-Mag Magnesium L-Threonate is a high-quality supplement that delivers on its promise of supporting cognitive health. Its ability to enhance memory, focus, and even sleep quality makes it a worthwhile investment for those prioritizing brain function. Great benefits and clean formulation make it a top choice!
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Reviewed in the United States on June 16, 2025 by Luke
I bought this because I was struggling with restless sleep at night. I read that magnesium could help, and I wanted something easy to absorb without upsetting my stomach. When it arrived, the packaging was clean and sealed properly. The capsules are a good size—not too big—and there’s no weird smell or aftertaste. ✅ What I like: -Helps me relax and sleep better -No digestive issues (unlike other magnesium I've tried) -Vegan-friendly and doesn’t contain unnecessary fillers ⚠️ What could be better: - I found no issues with this product Would I buy it again or recommend it? Absolutely. This has become part of my nightly routine, and I notice a difference if I skip it. Overall, this magnesium supplement is high-quality, easy on the stomach, and works, especially for sleep and muscle recovery.
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Reviewed in the United States on June 17, 2025 by Lula Skye
Life Extension Neuro-mag: I first learned about magnesium l-threonate on YouTube. It was recommended by several physicians there and in person, all of whom consistently make good suggestions in terms of health optimization. Even still, I didn't go for it right away, unsure if this form of magnesium could really be much different than or better than the liquid magnesium from Life Extension that I've been using with great results for several years now. Still, I was curious, as I did some more research and I kept hearing and reading that magnesium l-threonate is “different” because it crosses the blood-brain barrier. Now I'm not gonna try to explain in detail what that is, but I had an understanding of it enough that hearing this further intrigued me. It's my understanding that the human body has this protective measure in place to protect us and for very good reasons so I wanted to be sure I'm making a safe decision for me. As an overview, basically you want the good stuff you consume, that your brain needs to function, to be able to make it to your brain- but not everything. I don't know how our bodies work this out, but apparently they do, so we don't have to figure it out on our own. Imagine that, trying to tell your gut where to send each calorie and nutrient etc.? Anyway, I decided to give this stuff a chance and within 3 days I knew that I will never go without this form of magnesium again if I can help it. For me, it's really that amazing, and of course as a consumer, I hesitate to say, but it's absolutely worth the asking price and more. I've had years of experience with this brand now too and it's been top notch from the packaging to the product, so I will keep buying from Life Extension. With this I sleep better, problem solving is less stressful and my energy level has improved. It does have the relaxing effect on my body that other forms of magnesium do too, but this one has such a profound effect on my mind it's very difficult to quantify, or put into words in text that can even begin to convey or actually help you comprehend just how powerful the effects are. Kind of like the old saying “you had to be there” I suppose. That said, eventually I did buy the magnesium l-threonate from Life Extension and it is quite literally one of the best decisions I've EVER made in my nearly 50 years. It's weird to say that, am I really that old? Seriously, if you do some research and find that the effects sound like the type you might benefit from- buy it!
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Reviewed in the United States on February 24, 2024 by R. Taylor
Got it and opened bottle and there was powder when pulling the cotton out and saw 1 capsule had busted. Only reason for 1 star deduction. Never had issues with that before with any other capsule. I did notice a relaxation at night and feel more alert and awake when take 1 in the morning. 2 at night. Do recommend
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Reviewed in the United States on May 23, 2025 by R Crable
bought these on recommendation of a physician for muscle related stress relief. Unfortunately they did not warn me to gradually up the dose from 1 to 3 capsules and only told me the desired dose is 3. After taking the dose of 3 for a couple days I got a severe case of painful diarrhea. So make sure you increase dose slowly over a few weeks.
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Reviewed in the United States on August 16, 2025 by bcandg