LIFE EXTENSION
Every Life Extension® formula is made using scientifically supported ingredients and dosages. The result? Supplements that work— and keep customers coming back for more. Supplement brands come and go, but there’s a reason why Life Extension® has been around since 1980. Discover the science of a healthier life.
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What's in Life Extension supplements?
What's in Life Extension supplements?
We use pure, quality ingredients and clinical dosages.
Why is it called “Life Extension”?
Why is it called “Life Extension”?
Our mission is to help people live their most fulfilling, healthiest life–for as long as possible.
Where are Life Extension supplements manufactured?
Where are Life Extension supplements manufactured?
99% of our products are manufactured in the U.S.A. Our ingredients are sourced worldwide, whether that's wild-caught fish oil for our award-winning omega-3s or responsibly sourced curcumin from Indian co-op farms.
Life Extension® Neuro-Mag® Magnesium L-Threonate is a premium magnesium formula designed to support brain health, cognitive performance and memory. Using a highly absorbable form of magnesium (Magnesium L-Threonate), Neuro-Mag delivers efficient magnesium uptake into the brain—where it matters most.
Key Benefits
Supports short-term & working memory
Helps maintain healthy memory performance and cognitive clarity. Promotes overall cognitive function
Magnesium plays a vital role in neural signaling and brain cell health.
Highly bioavailable form of magnesium
Magnesium L-Threonate is clinically studied for superior brain absorption.
Supports mood & stress balance
Optimal magnesium levels contribute to calmness and emotional well-being.
Why Choose Neuro-Mag®?
Many magnesium supplements don’t effectively cross the blood-brain barrier. Neuro-Mag® uses an advanced, research-supported form to deliver magnesium directly to your brain—making it one of the most effective choices for cognitive support.
Life Extension® Neuro-Mag® Magnesium L-Threonate
Neuro-Mag® is formulated with magnesium L-threonate, a unique form of magnesium designed for easy use in daily routines. Each bottle provides vegetarian capsules made with clean, carefully selected ingredients. This formula is non-GMO, gluten-free and manufactured in the United States under strict quality standards.
Life Extension® has been developing science-focused nutritional formulas since 1980, and Neuro-Mag® reflects that same commitment to consistency and ingredient transparency. It’s a simple, well-crafted option for anyone who prefers a high-quality magnesium supplement made with reliable sourcing and thoughtful formulation.
What Is Neuro-Mag Magnesium L-Threonate?
Different forms of magnesium can do different things. Magnesium L-threonate is a well-studied form of magnesium that supports your working or “short term” memory: where you put your car keys, etc. It also helps with overall cognitive function—so you’re less likely to wonder why you went into the kitchen in the first place or forget the milk next time you’re at the grocery store.
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Need a little support?
Magnesium L-threonate helps support short-term or “working” memory: where you put your car keys, etc.
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For a keen mind
Magnesium L-threonate helps maintain executive function and “quick thinking” in clinical studies.
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Mental maintenance
Magnesium supports cognitive function. Magnesium L-Threonate is well-studied for cognitive health.
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Your body deserves the best
Our formulators hold advanced degrees and use the latest research to decide on the optimal dosages.
Magnesium L-threonate
Our Neuro-Mag® is made with magnesium L-threonate, a specialized form of magnesium that has been well-studied for its role in supporting cognitive performance, memory, quick thinking and executive function.
You want to live a longer, healthier life. You've come to the right place.
Achieve your goals with the best supplements that science can offer. Become an expert in your body's unique needs by accessing groundbreaking information about the science of wellness right at your fingertips. Got questions? You can talk to our diverse team of health and nutrition experts—or easily find out exactly what your body needs with our blood testing services.
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of Our Customers
Recommend us to their family and friends
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Highest Quality Supplements
Don’t like it? Send it back.
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Location Matters
99% of our supplements are manufactured right Here in the U.S., from pure, high-quality Ingredients sourced worldwide.
Our Promise to You
You've got the goals. We'll help you get there.
We'll be with you every step of the way with formulas that do what we say they do, customer service that listens, and experts who provide free guidance to help you along the way. Find out more about our enduring promise to you.
Our Values
Your health is our passion. And we're all in.
We are committed to finding new ways to empower you to live a healthier, richer life— from innovative formulas to finding responsibly sustainable partners to supply our ingredients. Learn how a thirst for scientific progress drives everything we do.
Our History
40 years, and the best is yet to come.
Recommending DHEA for anti-aging. Sharing melatonin’s benefits with the American public. Offering mail-order blood tests without a prescription. These are a few examples of how Life Extension has led nutritional science. Learn how we’ve continued that trend, year after year.
Our Promise to You:
Pure ingredients. Powerful formulas. Quality products.
You deserve to live a rich, healthy life. And we’re here to support you on that journey. From cutting edge nutritional concepts to exceptional customer service and expert guidance, we promise to become your definition of trusted quality.
We take a stringent approach to each and every ingredient: It has to be clean. It has to be fresh. It has to be the best. Because that’s what your body deserves.
From multivitamins to high-potency vitamin D3, our formulations do more than merely address minimum nutritional requirements. Indeed, they often exceed Recommended Dietary Allowances (RDA) because they’re based on research that’s revealed what our bodies need for optimal health.
How do you define a quality nutritional supplement? It has to be effective—or, simply put, the formula just has to work. That’s why we base our products off the latest research, but we also test them ourselves through clinical trials.
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Connections
Your health is deeply personal. Understanding your body is the key to lasting wellness. At Life Extension, we connect with you as an individual, empowering you with the knowledge you need to reach your goals and live your best life.
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Science
Our formulas deliver nutrients and dosages that have been studied through clinical research. But, we constantly refine them as research opens new doors. We use only the finest raw ingredients, and rigorously verify every product’s ingredients through independent lab testing.
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Discovery
Independent research is the cornerstone of our mission. We fund studies, provide raw materials and lend our expertise to those pioneering new ways to advance wellness. Together, our quest to uncover answers will lead us all to richer, healthier lives.
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Tenacity
We have stood before Congress. We have pushed the boundaries of science, even partnered with those at the frontier of machine learning. We are willing to fight for a future where the richness of health and longevity is available to everyone.
Customer Reviews
FAQs
Is magnesium L-threonate different from other types of magnesium?
Is magnesium L-threonate different from other types of magnesium?
While Life Extension offers several different forms of magnesium, an important mineral that supports different aspects of your health, they are not all made alike.
For example, magnesium oxide and citrate are good for their whole-body health benefits, especially bone and cardiovascular health, while magnesium acetyl taurinate is primarily used for stress management. But our Neuro-Mag® formulas stand out for how they benefit brain health. Each formula provides 2000 mg of magnesium L-threonate, an absorbable form of magnesium that supports memory and cognitive health, per serving.
Can you take magnesium L-threonate with other forms of magnesium?
Can you take magnesium L-threonate with other forms of magnesium?
While you should always consult with your healthcare provider when adding new supplements to your routine, it is generally considered safe to take more than one type of magnesium at a time to optimize your health strategy.
When is the best time to take this product? Should I take it with a meal or on an empty stomach?
When is the best time to take this product? Should I take it with a meal or on an empty stomach?
While you should always take any product as directed on the label, this product can be taken any time of the day, with or without food, based on your preference.
How do I choose between the capsule, powder, or gummy versions of this formula?
How do I choose between the capsule, powder, or gummy versions of this formula?
Your choice depends on your personal preference. While each delivery form is different, the formula and expected efficacy of the product are the same—just remember to follow the dosing instructions.
Can I take more than three capsules per day? Should they be taken together or in divided doses?
Can I take more than three capsules per day? Should they be taken together or in divided doses?
The recommended dietary intake for optimal health benefits is three capsules per day. Research suggests taking three capsules once daily is most effective, rather than consuming them individually throughout the day. Remember to always take any product as directed on the label.
Will this supplement interact with any of my medications?
Will this supplement interact with any of my medications?
There is no indication that the nutrients in this formula will negatively interact with prescription medications. However, if you want to know more about potential interactions when taking this supplement, we suggest discussing any concerns you have with your physician.
Has this product been tested for heavy metals, contaminants, and potency?
Has this product been tested for heavy metals, contaminants, and potency?
All our raw materials and finished products go through stringent testing to meet our high-quality standards. Testing is performed for heavy metals, microbes, disintegration, potency, and quantity of active ingredients in the finished product. Only when finished products meet Life Extension’s specifications are they released for production. A finished product Certificate of Analysis (COA) can be provided upon request for all our products.
Are there any known allergens in this product?
Are there any known allergens in this product?
Neuro-Mag® Magnesium L-Threonate gummies do not contain any of the 9 major allergens required on the label under the Food Allergy Safety, Treatment, Education, and Research (FASTER) Act of 2021. This means they are free of milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, sesame, and soybeans.
Is this product gluten-free?
Is this product gluten-free?
Yes, this product is gluten-free.
Is this product vegetarian?
Is this product vegetarian?
Yes, this product is vegetarian and does not contain any animal-derived ingredients.
Where is this product manufactured?
Where is this product manufactured?
Neuro-Mag® Magnesium L-Threonate capsules are manufactured in the USA.
Can children take this product?
Can children take this product?
This product was designed for adults over 18. Always consult with your child’s pediatrician before giving them any supplements.