Best Magnesium L-Threonate: Top Picks for 2024’s Essential Supplement

Magnesium L-Threonate is gaining popularity in the health and wellness community due to its unique ability to cross the blood-brain barrier effectively. This supplement has been found to enhance cognitive functions, support memory, and promote a sense of calm. As the year 2024 unfolds, many avid shoppers are on the lookout for the best Magnesium L-Threonate options available on Amazon. In this article, we’ve compiled a list of the top ten products, along with a comprehensive buying guide to assist you in making an informed decision.

# Preview Product Rating Price
1 Magnesium L Threonate Capsules (Magtein) – High Absorption Supplement – Bioavailable Form for Sleep and Cognitive Function Support – 2,000 mg – 100 Capsules Magnesium L Threonate Capsules (Magtein) – High Absorption Supplement – Bioavailable Form for... No ratings yet $29.95
2 Life Extension Neuro-mag Magnesium L-threonate, Magtein, Magnesium Supplement, Brain Health, Memory & Attention, Gluten Free, Vegetarian, Non-GMO, 90 Vegetarian Capsules Life Extension Neuro-mag Magnesium L-threonate, Magtein, Magnesium Supplement, Brain Health, Memory... No ratings yet $30.75
3 (120 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate Chelate, Malate, from Kappa Nutrition. (120 Capsules), 2,253mg Per Serving, Providing 420mg Elemental Magnesium, L-Threonate, Bisglycinate... No ratings yet $25.99
4 NOW Foods Supplements, Magtein™ with patented form of Magnesium (Mg), Cognitive Support*, 90 Veg Capsules NOW Foods Supplements, Magtein™ with patented form of Magnesium (Mg), Cognitive Support*, 90 Veg... No ratings yet $26.48
5 Magnesium l-Threonate Supplement Capsules 120 Count - 3000mg - High Absorption Magnesium Supplement Liposomal, Ultra Strength Magnesium Threonate for Brain, Sleep Support, Energy, and Heart Health Magnesium l-Threonate Supplement Capsules 120 Count - 3000mg - High Absorption Magnesium Supplement... $24.95
6 Magnesium L Threonate (Original Magtein Formula) - 2000 mg 100 Vegan Capsules Non-GMO Highly Absorptive Pure Supplement A Vitamin for Cognition Pills are Without Laxative Properties Magnesium L Threonate (Original Magtein Formula) - 2000 mg 100 Vegan Capsules Non-GMO Highly... No ratings yet $26.95
7 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 &... No ratings yet $35.95
8 Magnesium L-Threonate Liposomal Liquid Extract | Vegan, Non-GMO, Enhanced Absorption | Liposomal Magnesium L Threonate Supplement for Memory, Cognitive Boost & Relaxation (2 oz 60 mL) Magnesium L-Threonate Liposomal Liquid Extract | Vegan, Non-GMO, Enhanced Absorption | Liposomal... No ratings yet $19.99
9 Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Magnesium from 1800 mg Magnesium L Threonate, Cognitive Support Magnesium Supplement, 90 Capsules, 30 Day Supply Nature Made Magnesium L-Threonate with Vitamin C & Vitamin D3, Provides 130 mg of Magnesium from... No ratings yet $46.99
10 Dr. Mercola Magnesium Advanced, 30 Servings (90 Capsules), Dietary Supplement, Magnesium L-Threonate, Non-GMO Dr. Mercola Magnesium Advanced, 30 Servings (90 Capsules), Dietary Supplement, Magnesium... No ratings yet $34.97

Top 10 Magnesium L-Threonate Products on Amazon

1. Magnesium L-Threonate by LifeExtension

LifeExtension’s Magnesium L-Threonate is one of the leading products in this category. The formula is specifically designed to promote cognitive performance and brain health. Each serving provides 2000 mg of Magnesium L-Threonate, ensuring optimal absorption.

This product has been commended for its effectiveness in enhancing memory and supporting mood. Additionally, LifeExtension focuses on high-quality ingredients and third-party testing to confirm potency and purity.

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Bestseller No. 1
Life Extension Neuro-Mag Magnesium L-Threonate, 150 Veg Caps, Magtein Supplement for Women and Men
Life Extension Neuro-Mag Magnesium L-Threonate, 150 Veg Caps, Magtein Supplement for Women and Men
  • ✅ A YOUTHFUL BRAIN: LifeExtension NeuroMag isn't like other magnesiums on the market. Instead of generic magnesium, NeuroMag contains the patented ingredient, Magtein.
  • ✅ SUPPORTS HEALTHY MEMORY: Many Americans don't enjoy enough magnesium. It plays an important role in the brain, nervious system, and over 300 biochemical processes. Are you getting enough?
  • ✅ 150 CAPSULE SIZE: 150 capsules to save you time reordering. TAKE 3 DAILY: This suggested dosage can be taken with or without food.
  • ✅ UNIQUE: Ultra-absorbable form of magnesium called Magtein (2000 mg per serving)
  • ✅ PREMIUM SUPPLEMENTS: Vegetarian, Non-GMO, Made in the USA. Add to your cart today because your health is worth the investment.

2. Magtein® Magnesium L-Threonate by Doctor’s Best

Doctor’s Best has harnessed the power of Magtein® in their Magnesium L-Threonate supplement. This product features a patented form of Magnesium L-Threonate that has been well-researched for its ability to improve memory and cognitive functions.

With 2000 mg of the active ingredient per serving, Doctor’s Best is known for its high-quality formulations and customer satisfaction. Users have reported an increase in mental clarity and better sleep quality after consistent use.

Bestseller No. 1
Doctor's Best, Brain Magnesium Vegetable Capsules, 90 Count (Pack of 1)
Doctor's Best, Brain Magnesium Vegetable Capsules, 90 Count (Pack of 1)
  • DOCTOR’S BEST BRAIN MAGNESIUM – contains Magnesium L-Threonate from Magtein, a unique magnesium compound that helps support the health of neurons and synaptic plasticity. Magtein helps support healthy levels of magnesium essential for brain connections (synapses) that facilitate learning, memory, concentration, and other cognitive functions.
  • BEST BRAIN MAGNESIUM - magnesium tablets, helps support memory and learning, improve sleep, calming the mind. Research shows that Magnesium L-Threonate has been shown to effectively raise the brain's magnesium levels, which leads to enhanced learning abilities, improved working memory, and better short- and long-term memory.
  • Patented & Clinically Supported – Magtein patented (Magnesium L-Threonate) is a super-mineral with strong evidence that it helps promotes brain health. Magtein consumption improved memory, cognitive ability and reduced stress.
  • HIGHLY BIOAVAILABLE FORM OF MAGNESIUM – L-Threonate chelates magnesium that enhances the bioavailability of magnesium by making it more absorbable.
  • Non-GMO, Vegan, Gluten Free, Soy Free

3. Life Extension Neuro-Mag Magnesium L-Threonate

Another fantastic option from Life Extension is their Neuro-Mag Magnesium L-Threonate. This supplement is specially formulated to enhance brain function and support overall neurological health.

Each serving contains 2000 mg of Magnesium L-Threonate. Users appreciate the mental boosting effects, particularly with focus and clarity. The product is also gluten-free, non-GMO, and contains no artificial ingredients.

Bestseller No. 1
Life Extension Neuro-mag Magnesium L-threonate, Magtein, Magnesium Supplement, Brain Health, Memory & Attention, Gluten Free, Vegetarian, Non-GMO, 90 Vegetarian Capsules
Life Extension Neuro-mag Magnesium L-threonate, Magtein, Magnesium Supplement, Brain Health, Memory & Attention, Gluten Free, Vegetarian, Non-GMO, 90 Vegetarian Capsules
  • Memory, focus & cognitive boost - Magnesium is essential for overall brain performance, but not all magnesium supplements are easy to absorb. But magnesium L-threonate is! This highly absorbable form of bioavailable magnesium can cross the blood-brain barrier, supporting brain cell communication and signaling pathways associated with learning, memory and focus.
  • Maintain ideal magnesium levels - Magnesium does wonders for your brain, but unfortunately, most of us don’t get enough magnesium from our diets. That’s why supplementing with high-absorption magnesium is a great complement to your brain-friendly lifestyle choices!
  • Keep your brain at its best - Your daily activities demand focus and adequate attention span. Still, over time, the little details can slip your mind and you find yourself looking for sunglasses on your head. Our magnesium L-threonate cognitive supplement helps maintain the crucial connections between your brain cells so your memory stays razor-sharp.
  • 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 USA—and a Certificate of Analysis is available for every product we produce.   
  • Live your healthiest life - For over 40 years, we’ve 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. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.

4. Thorne Research Magnesium L-Threonate

Thorne Research is known for its high-quality supplements, and their Magnesium L-Threonate is no exception. This product is crafted to promote better cognitive function while providing a good source of magnesium.

Thorne’s formulation includes 1000 mg of Magnesium L-Threonate per serving. Many users appreciate its lack of fillers and allergens, making it an excellent choice for those with dietary restrictions.

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Bestseller No. 1
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
  • 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.

5. NOW Foods Magnesium L-Threonate

NOW Foods offers a cost-effective Magnesium L-Threonate option that doesn’t compromise on quality. This supplement provides essential magnesium while focusing on mental function.

With 2000 mg of Magnesium L-Threonate per serving, users have reported improvements in their cognitive functions, including memory retention and clarity of thought.

OFF -$21.51Bestseller No. 1
NOW Foods Supplements, Magtein™ with patented form of Magnesium (Mg), Cognitive Support*, 90 Veg Capsules
NOW Foods Supplements, Magtein™ with patented form of Magnesium (Mg), Cognitive Support*, 90 Veg Capsules
  • Now Foods

6. Klaire Labs Magnesium L-Threonate

Klaire Labs prides itself on purity and quality, and their Magnesium L-Threonate is a prime example. This product is designed for optimal absorption and utilization by the body.

With 2000 mg of the active ingredient per serving, Klaire Labs’s formulation has received positive feedback regarding mental enhancement and relaxation effects, making it popular among users seeking a dual benefit.

Bestseller No. 1
Klaire Labs Mag Complete - Premium Magnesium Complex with Four Bioavailable Forms of Magnesium - Magnesium Supplement with Succinate, Taurinate, Malate & Aspartate (120 Capsules)
Klaire Labs Mag Complete - Premium Magnesium Complex with Four Bioavailable Forms of Magnesium - Magnesium Supplement with Succinate, Taurinate, Malate & Aspartate (120 Capsules)
  • Premier four-in-one magnesium formula providing several important forms of magnesium.
  • Magnesium succinate, magnesium taurinate, magnesium malate, and magnesium aspartate are bioavailable forms designed to provide optimal absorption and utilization.*
  • Magnesium is necessary for energy (ATP) production, sustaining heart health and healthy blood vessels, and for optimal skeletal muscle function.*
  • Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, and soybeans. Contains no artificial colors, flavors, or preservatives.
  • Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.

7. Nutricost Magnesium L-Threonate

Nutricost offers a straightforward, effective Magnesium L-Threonate supplement without any added ingredients. Their product delivers 1000 mg of magnesium in each serving.

This supplement is especially popular due to its simple formulation and affordability. Users have reported significant improvements in their brain health and reduction in anxiety levels after regular use.

OFF -$24.00Bestseller No. 1
Nutricost Magnesium L-Threonate As Magtein 2000mg, 120 Capsules - Non-GMO, Gluten Free, Vegetarian Friendly
Nutricost Magnesium L-Threonate As Magtein 2000mg, 120 Capsules - Non-GMO, Gluten Free, Vegetarian Friendly
  • 2,000mg Of Magnesium L-Threonate In Each Serving
  • 40 Servings Per Bottle (3 Capsules Per Serving)
  • Made With Magtein
  • Non-GMO, Gluten Free, And Vegetarian Friendly
  • 3rd Party Tested by ISO-accredited Laboratories

8. Jarrow Formulas Magnesium L-Threonate

Jarrow Formulas Magnesium L-Threonate is renowned for its effective encapsulation that enhances neuroprotective benefits. It is designed to optimize magnesium levels in the brain.

Each serving provides 2000 mg of Magnesium L-Threonate. Users frequently cite improvements in focus, memory, and overall cognitive ability, making this a highly recommended choice.

OFF -$15.55Bestseller No. 1
Jarrow Formulas MagMind Brain Health with Magtein (Magnesium L-Threonate), Dietary Supplement for Brain Health, Brain Supplements for Memory Support, 90 Capsules, 30 Day Supply
Jarrow Formulas MagMind Brain Health with Magtein (Magnesium L-Threonate), Dietary Supplement for Brain Health, Brain Supplements for Memory Support, 90 Capsules, 30 Day Supply
  • One (1) 90 count bottle of Jarrow Formulas MagMind Brain Health and Memory Health Capsules for a 30-day supply
  • Healthy brain supplements formulated to help support aspects of cognition, such as increased alertness, memory and brain health*
  • Provides Magtein Magnesium L-Threonate, which readily crosses the blood-brain barrier as shown in preclinical studies
  • Suggested Use: Adults take three capsules a day: two capsules during the day and one capsule one hour before sleep, with or without a meal or as directed by your qualified healthcare professional
  • These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

9. Pure Encapsulations Magnesium L-Threonate

Pure Encapsulations is a brand widely trusted for its high-quality supplements. Their Magnesium L-Threonate is hypoallergenic and free from unnecessary additives.

Providing 1000 mg of Magnesium L-Threonate per serving, users have praised its effectiveness in enhancing cognitive functioning and decreasing mental fatigue.

Bestseller No. 1
Pure Encapsulations CogniMag 120's - Magnesium-L-Threonate Supplement - Supports Brain Health & Memory* - Includes Magtein & Polyphenol Blend - 120 Capsules
Pure Encapsulations CogniMag 120's - Magnesium-L-Threonate Supplement - Supports Brain Health & Memory* - Includes Magtein & Polyphenol Blend - 120 Capsules
  • Cognitive Function Support: This L-threonate enriched blend is designed to aid in maintaining optimal brain magnesium levels for cognitive functions and working memory*
  • Magnesium-L-Threonate: Magnesium threonate supplement includes 72 mg of magnesium from 1000 mg of Magtein, formulated to support brain health and memory*
  • Polyphenol Blend: Delivers 50 mg of a polyphenol-rich blend from blueberry, strawberry, and spinach extracts; a potent polyphenols supplement designed to support brain health*
  • Suggested Use: As a dietary supplement, take 2 L threonate capsules, twice daily, with a meal and at bedtime
  • Pure Difference: What we leave out matters, too; Pure Encapsulations products are FREE FROM common allergens, artificial or unnecessary ingredients, and GMOs

10. Solaray Magnesium L-Threonate

Solaray’s Magnesium L-Threonate stands out for its commitment to quality and transparency. The product is designed to support brain health and improve mood.

Each serving contains 2000 mg, and many users appreciate how quickly they noticed improvements in their overall mental clarity and emotional balance.

Bestseller No. 1
Life Extension Neuro-mag Magnesium L-threonate, Magtein, Magnesium Supplement, Brain Health, Memory & Attention, Gluten Free, Vegetarian, Non-GMO, 90 Vegetarian Capsules
Life Extension Neuro-mag Magnesium L-threonate, Magtein, Magnesium Supplement, Brain Health, Memory & Attention, Gluten Free, Vegetarian, Non-GMO, 90 Vegetarian Capsules
  • Memory, focus & cognitive boost - Magnesium is essential for overall brain performance, but not all magnesium supplements are easy to absorb. But magnesium L-threonate is! This highly absorbable form of bioavailable magnesium can cross the blood-brain barrier, supporting brain cell communication and signaling pathways associated with learning, memory and focus.
  • Maintain ideal magnesium levels - Magnesium does wonders for your brain, but unfortunately, most of us don’t get enough magnesium from our diets. That’s why supplementing with high-absorption magnesium is a great complement to your brain-friendly lifestyle choices!
  • Keep your brain at its best - Your daily activities demand focus and adequate attention span. Still, over time, the little details can slip your mind and you find yourself looking for sunglasses on your head. Our magnesium L-threonate cognitive supplement helps maintain the crucial connections between your brain cells so your memory stays razor-sharp.
  • 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 USA—and a Certificate of Analysis is available for every product we produce.   
  • Live your healthiest life - For over 40 years, we’ve 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. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.

Buying Guide for Magnesium L-Threonate

When searching for the best Magnesium L-Threonate, there are several factors to consider:

1. Purity and Quality

Look for products that are free from unnecessary fillers, artificial preservatives, or allergens. High-quality brands often provide third-party testing for purity.

2. Dosage

Pay attention to the amount of Magnesium L-Threonate per serving. Products typically range from 1000 to 2000 mg. Consult with a healthcare professional to determine the best dosage for your needs.

3. Brand Reputation

Opt for well-established brands with positive reviews and customer feedback. Research the company’s reputation and commitment to quality.

4. Formulation

Some products may include additional ingredients that promote better absorption or are intended to enhance the overall benefits of the magnesium.

5. Price

While it’s important to find a product that fits your budget, remember that the cheapest option may not always be the best in terms of quality and effectiveness.

6. Customer Reviews

Reading customer feedback can provide valuable insights into the product’s efficacy and potential side effects.

When searching for the best Magnesium L-Threonate in 2024, these top ten products stand out for their quality and effectiveness. Always consult a healthcare professional before beginning any new supplement regimen to ensure it aligns with your individual health needs and goals.

Last update on 2024-09-20 / Affiliate links / Images from Amazon Product Advertising API | votechriscarrillo.com is a participant in the Amazon Associate program and will earn from qualifying purchases.

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