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*. Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, potency, including our laboratory/testing methods for stability, and product formulation. Packaged in the usa by a family owned and operated company since 1968.

Store in a cool, dry place. Brain health and function: magnesium l-threonate, or Magtein, is a unique form of magnesium that has been shown to readily cross the blood-brain barrier and support brain health and function.

Classifications/certifications: Kosher, Soy Free, Non-GMO, Vegan, Keto Friendly, Halal. Supports energy production: magnesium is a mineral that is critical for energy production and metabolism, nerve impulse transmission, muscle contraction, and bone mineralization.


That’s where our formula comes in! our magnesium L-threonate is easy for your body to absorb into the nervous system and your brain, over time, where it helps maintain the crucial connections between your brain cells. Our formulations are created using the ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.
Unfortunately, and optimal levels begin to decline as we age. Magnesium l-threonate helps your brain work better - your daily activities demand focus and attention. Maintain ideal magnesium levels - magnesium does wonders for your brain, most of us don’t get enough magnesium from our diets, but it’s also important to more than 300 biochemical reactions in your body. 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.

*. Elemental magnesium: magnesium is a mineral that is critical for energy production and metabolism, muscle contraction, nerve impulse transmission and bone mineralization. *. Krebs cycle intermediate: malate is an important Krebs cycle intermediate, indicating that it is an important molecule in the production of cellular energy derived from carbohydrates.

Known to increase resilience to stress, lift mood, raise your energy levels, improve concentration and focus and reformation of sleep quality. Source naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.


Promotes memory and overall cognitive function: Research has shown that Magtein Magnesium L-Threonate improved recall, slowed age-related memory decline, and helped create new neural pathways.
Most superior form of magnesium: magnesium L-Threonate is the only high absorption Magnesium vitamin that’s been shown to effectively raise concentrations of Magnesium in the brain. Also, with every teraputics purchase our customers gain access to our team of highly trained service professionals available to help with questions about any of our health products.
1. NOW
#ad
Magtein™ with patented form of Magnesium Mg, Cognitive Support*, NOW Supplements, 90 Veg Capsules
#adNOW #ad - Recent research has demonstrated that it is also critical for normal brain health and normal cognitive function by maintaining the density and stability of neuronal synapses. Magtein supports brain health and may facilitate learning and memory, as well as a relaxed mood.More information #ad
Magtein is a patented form of Mg that readily crosses the blood-brain barrier for utilization in the brain. Magnesium mg is an essential mineral best known for its role in bone and nervous system function.Brand | NOW #ad |
Manufacturer | NOW Sports - Nutrition and Wellness #ad |
Height | 4.44 Inches |
Length | 2.5 Inches |
Weight | 10 Grams |
Width | 2.5 Inches |
Part Number | P29995 |
Model | P29995 |
More information #ad
2. Now Foods
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90 Vcaps by Now Foods Pack of 2, Magtein
#adNow Foods #ad - Cognitive support*/supports memory and learning*: Laboratory studies indicate that Magtein supports brain health and may facilitate learning and memory, as well as a relaxed mood.*. Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, potency, including our laboratory/testing methods for stability, and product formulation. Packaged in the usa by a family owned and operated company since 1968.
More information #ad
Classifications/certifications: Non-GMO, Vegan/Vegetarian, Soy Free, Dairy Free. Magnesium l-threonate: now magtein is a patented form of mg that readily crosses the blood-brain barrier for utilization in the brain. Take 3 capsules daily in divided doses take 1 capsule during the daytime, preferably in mid-afternoon and take 2 capsules one hour before sleep.Brand | Now Foods #ad |
Manufacturer | Now Foods #ad |
Height | 4.44 Inches |
Length | 5 Inches |
Weight | 0.56 Pounds |
Width | 2.5 Inches |
Part Number | 2390x2 |
More information #ad
3. Jarrow Formulas
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Supports Brain Health & Function, Jarrow Formulas MagMind, 30 Servings, Includes Magnesium L-Threonate Magtein, 90 Capsules
#adJarrow Formulas #ad - Convenient capsules: take three capsules per day 1 capsule in the morning and 2 capsules one hour before bed with or without meals or as directed by your qualified healthcare professional.Store in a cool, dry place. Brain health and function: magnesium l-threonate, or Magtein, is a unique form of magnesium that has been shown to readily cross the blood-brain barrier and support brain health and function.
More information #ad
Do not refrigerate. Magmind highlights: jarrow Formulas MagMind delivers 2 g of Magtein per serving. Superior nutrition and formulation: the goal of jarrow Formulas is to promote optimal health with high-quality, value, effective, and superior formulation of dietary supplements; Our customers can be assured of purity, affordable, and potency.Brand | Jarrow Formulas #ad |
Manufacturer | Jarrow Formulas #ad |
Height | 4.25 Inches |
Length | 2.5 Inches |
Weight | 0.25 Pounds |
Width | 2.5 Inches |
Part Number | MAGT |
Model | MAGT |
More information #ad
4. NOW
#ad
Nervous System Support*, NOW Supplements, 180 Veg Capsules, Magnesium 400 mg, Enzyme Function*
#adNOW #ad - Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, potency, including our laboratory/testing methods for stability, and product formulation.Classifications/certifications: Kosher, Soy Free, Non-GMO, Vegan, Keto Friendly, Halal. Supports energy production: magnesium is a mineral that is critical for energy production and metabolism, nerve impulse transmission, muscle contraction, and bone mineralization.
More information #ad
Critical for enzyme function: it is a required cofactor for an estimated 300 enzymes. Packaged in the usa by a family owned and operated company since 1968. Among the reactions catalyzed by these enzymes are fatty acid synthesis, protein synthesis, and glucose metabolism.Brand | NOW #ad |
Manufacturer | NOW Sports - Nutrition and Wellness #ad |
Height | 3 Inches |
Length | 5.3 Inches |
Weight | 0.38 Pounds |
Width | 3 Inches |
Part Number | 0733739012838 |
Model | 0733739012838 |
More information #ad
5. NOW
#ad
180 Veg Capsules, NOW Supplements, Magnesium Transporters with 5 Forms of Magnesium for Optimal Bioavailability
#adNOW #ad - During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided. 5 forms of magnesium for Optimal Bioavailability. Nervous System Support*. Packaged in the usa by a family owned and operated company since 1968.More information #ad
Supports healthy Muscle, Nerve & Heart Functions*. Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, potency, including our laboratory/testing methods for stability, and product formulation.Brand | NOW #ad |
Manufacturer | NOW Sports - Nutrition and Wellness #ad |
Height | 5.45 Inches |
Length | 3 Inches |
Weight | 0.44 Pounds |
Width | 3 Inches |
Part Number | 1305 |
Model | 1305 |
More information #ad
6. Life Extension
#ad
Memory, Life Extension Neuro-Mag Magnesium L-Threonate, Gluten-Free, Focus & Overall Cognitive Performance Boost, Non-GMO, 90 Vegetarian Capsules Ultra-Absorbable Magnesium
#adLife Extension #ad - We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. Preclinical studies have shown that this highly absorbable form of magnesium can improve communication between brain cells because it can cross the blood-brain barrier and influence signaling pathways associated with learning, but not all magnesium supplements are easy to absorb.That’s where our formula comes in! our magnesium L-threonate is easy for your body to absorb into the nervous system and your brain, over time, where it helps maintain the crucial connections between your brain cells. Our formulations are created using the ingredients and dosages used in the studies that inspired them, ensuring that maximum bioavailability and efficacy is achieved.
More information #ad
That’s why supplementing with easy-to-absorb magnesium is a great complement to your healthy lifestyle choices, especially over time! 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. Unfortunately, and optimal levels begin to decline as we age. Magnesium l-threonate helps your brain work better - your daily activities demand focus and attention. Maintain ideal magnesium levels - magnesium does wonders for your brain, most of us don’t get enough magnesium from our diets, but it’s also important to more than 300 biochemical reactions in your body. 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.
Brand | Life Extension #ad |
Manufacturer | Life Extension #ad |
Height | 4 Inches |
Length | 2 Inches |
Weight | 0.25 Pounds |
Width | 2 Inches |
Part Number | 01603 |
Model | 01603 |
More information #ad
7. Now Foods
#ad
NOW Magnesium Malate 1000mg, 180 Tablets Pack of 2
#adNow Foods #ad - Nervous system support*: it is a required cofactor for an estimated 300 enzymes. Among the reactions catalyzed by these enzymes are fatty acid synthesis, protein synthesis, and glucose metabolism.*. Elemental magnesium: magnesium is a mineral that is critical for energy production and metabolism, muscle contraction, nerve impulse transmission and bone mineralization. *. Krebs cycle intermediate: malate is an important Krebs cycle intermediate, indicating that it is an important molecule in the production of cellular energy derived from carbohydrates.
More information #ad
*. Packaged in the usa by a family owned and operated company since 1968. Gmp quality assured: npa a-rated gmp certification means that every aspect of the NOW manufacturing process has been examined, potency, including our laboratory/testing methods for stability, and product formulation.Brand | Now Foods #ad |
Manufacturer | NOW Foods #ad |
Height | 2.9 Inches |
Length | 5.1 Inches |
Width | 2.9 Inches |
Part Number | NOW01300P2 |
More information #ad
8. Source Naturals
#ad
180 Capsules, Healthy Memory, Cognitive Function, Source Naturals Magtein Magnesium L-Threonate 667mg Supports Focus, Mood, Sleep
#adSource Naturals #ad - Trusted for over 35 years. We are located in Scotts Valley California. There are countless ways to get other forms of magnesium naturally in your diet, but food sources of magnesium L threonate do not exist because it’s a synthesized form.Known to increase resilience to stress, lift mood, raise your energy levels, improve concentration and focus and reformation of sleep quality. Source naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
More information #ad
There are 4 aspects of cognitive ability that they were positively effected by taking Magtein, executive function, episodic memory, working memory, and attention. Manufactured in the usa. Benefits cognitive ability. Magtein benefits. Excellent source of magnesium l threonate.Brand | Source Naturals #ad |
Manufacturer | Inventory Management Services- HPC #ad |
Height | 1.6 Inches |
Length | 1.3 Inches |
Weight | 0.1 Pounds |
Width | 1.3 Inches |
Part Number | SN2486 |
Model | SN2486 |
Warranty | Please see bottle label for more information |
More information #ad
9. Doctor's Best
#ad
Vegan, Non-GMO, Doctor's Best High Absorption Magnesium Glycinate Lysinate, Gluten & Soy Free, 240 Count Pack of 1, 100% Chelated, 100 mg
#adDoctor's Best #ad - As many as 75% of americans are deficient in magnesium and magnesium deficiency increases with age. Made with traacs, a patented, form of bioavailable magnesium that is chelated to optimize bioavailability. Doctor's best high absorption Magnesium supports bone density, helps maintain a normal, regular heartbeat and supports overall cardiovascular health.More information #ad
Vegan, non-gmo, and Gluten Free. Doctor's best high absorption magnesium is "not buffered", a term meaning that is it not mixed with less expensive and less absorbable magnesium oxide.Brand | Doctor's Best #ad |
Manufacturer | Doctor's Best #ad |
Height | 5.19 Inches |
Length | 3.13 Inches |
Weight | 0.06 Pounds |
Width | 3.13 Inches |
Part Number | DRB-00087 |
Model | DRB-00087 |
More information #ad
10. Teraputics
#ad
2000 mg, The Best Non-GMO Highly Absorptive Pure Magnesium Supplement, A Vitamin for Cognition, 100 Vegan Capsules, Magnesium L Threonate Magtein, Pills are Without Laxative Properties
#adTeraputics #ad - 100% money back guarantee - if for any reason you are not satisfied with this formula you can get a full refund with no questions asked. Our customers MUST be satisfied. Patented magnesium: developed by doctors at MIT, L-Threonate is a mineral chelated agent that is able to greatly enhance the bioavailability of Magnesium supplements, making them highly absorbable.Promotes memory and overall cognitive function: Research has shown that Magtein Magnesium L-Threonate improved recall, slowed age-related memory decline, and helped create new neural pathways.
More information #ad
From the usa: formulated right here in the usa in an FDA registered and GMP compliant facility; this complex undergoes testing two times by a third party to meet maximum purity and quality standards. Most superior form of magnesium: magnesium L-Threonate is the only high absorption Magnesium vitamin that’s been shown to effectively raise concentrations of Magnesium in the brain. Also, with every teraputics purchase our customers gain access to our team of highly trained service professionals available to help with questions about any of our health products.
Brand | Teraputics #ad |
Manufacturer | Vitagen Labs #ad |
Height | 4 Inches |
Length | 2.5 Inches |
Width | 2.5 Inches |
Part Number | MLT100 |
More information #ad