Updated: 28 Jun 2025

10 Best magtein magnesium l threonate capsules of 2025

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Updated: 28 Jun 2025

#1

Best Choice

NOW Supplements Magtein, Magnesium L-Threonate, Cognitive Support*, 180 Veg Capsules

9.7

NOW

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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.* However, most forms of Mg are not easily absorbed into the nervous system*

Magtein is a patented form of Mg that readily crosses the blood-brain barrier for utilization in the brain.* Laboratory studies indicate that Magtein supports brain health and may facilitate learning and memory, as well as a relaxed mood*

Magnesium (Mg) is an essential mineral best known for its role in bone and nervous system function*
#2

Best Value

Magtein Magnesium L-Threonate Capsules | 90 Count | Mineral Supplement | Natural Nootropic | Supports Mitochondrial Function | Boosts Energy and Cognitive Function

9.6

Nootropics Depot

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Supports Mitochondrial Function

Mineral Supplement | Natural Nootropic

Magtein Magnesium L-Threonate Capsules | 90 Count
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#3

HORZ Magtein Magnesium L-Threonate | 2000mg Supplement | 100 Capsules | Non-GMO and Gluten Free | by Horbaach

9.3

Horbäach

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SCIENTIFIC SUPPORT: From 2,000 mg of Magnesium L-Threonate per serving

MAGNESIUM THREONATE: Horbaach Magtein is a highly innovative form of this essential nutrient

EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency
#4

Magtein Magnesium L-Threonate Capsules - 2000mg per Serving (120 Vegetarian Capsules) - Patented and Bioavailable Magnesium - No Stearates - No Fillers - Vegan - Non GMO - Gluten Free

9.2

BESTVITE

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No Steartes | No Fillers | No Flow Agents |Vegan | Non GMO | Gluten Free | Soy Free

Magtein is a bioavailable form of Magnesium that readily crosses the blood-brain barrier for utilization in the brain

Magtein (Magnesium L-threonate) is a breakthrough patented super-mineral with strong evidence supporting cognitive functions and brain health
#5

Magnesium L-Threonate Magtein Capsules Advanced Bioavailable Formula Increases Cognition Function and Supports Better Sleep and Mood 120 Count

8.9

Magceutics

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WHY TAKE MAGNESIUM L-THREONATE INSTEAD OF OTHER TYPES OF MAGNESIUM Magceutics’ Magnesium L Threonate has been engineered to ensure that more magnesium passes through the blood-brain barrier versus other brands of magnesium that contain higher MG per capsule but are not easily absorbed. Magceutics’ magnesium helps to increase energy, support healthy digestion, enhance quality of sleep, lessen fatigue, balance calcium and magnesium levels, and support healthy blood pressure levels.

MAGTEIN-UNIQUE PATENTED FORMULA developed and researched by the original inventor of Magtein. Magceutics' Magnesium L-Threonate is a natural mineral compound combined with both Vitamin C and Vitamin D to ensure MAXIMUM ABSORPTION in the brain. Optimal magnesium levels in the brain – as shown by extensive CLINICAL STUDIES - can support MEMORY, FOCUS, REDUCE BRAIN FOG and ANXIETY.

CLINICAL STUDIES reveal ENHANCED SLEEP QUALITY, boost in overall mood, and relief from temporary stress and anxiety. With our original, extensively tested Magtein formula, you will TAKE LESS AND ABSORB MORE magnesium, reaching the OPTIMAL LEVEL OF MAGNESIUM per day for faster results. Two capsules gives you a total of 2,042 mg of Magtein per day. One bottle contains a 30-day supply (60 veggie capsules).
#6

NOW Supplements, Magtein with patented form of Magnesium (Mg), 90 Veg Capsules

8.8

NOW

-40%

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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).

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.*

CLASSIFICATIONS/CERTIFICATIONS: Non-GMO, Vegan/Vegetarian, Soy Free, Dairy Free

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#7

Source Naturals Magtein 2,000mg Serving Magnesium L-Threonate Supplement - Advanced Cognitive Health, Memory & Learning Support - 90 Capsules

8.7

Source Naturals

-22%

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Shown to support healthy memory and learning in preclinical studies. When used as recommended, Magtein also supports optimal energy, muscle relaxation and the health of neurons.

Preliminary evidence suggests that Magtein may provide more magnesium to the brain than other forms.

Magnesium (Mg) supports over 300 enzymatic reactions throughout the body and plays an essential role in supporting cognitive function and brain health.

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#8

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

8.6

Sports Research

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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.

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.

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.
#9

Jarrow Formulas Magmind, Supports Cognition, 90 Caps

8.5

Jarrow Formulas

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Supports short and long-term memory

Promotes brain health

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
#10

Life Extension Neuro-Mag Magnesium L-Threonate 90 Vegetarian Capsules

8.4

Life Extension

-11%

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MEMORY, FOCUS & COGNITIVE BOOST - Magnesium is essential for overall brain performance, but not all magnesium supplements are easy to absorb; Based on the latest research, we used magnesium L-threonate; 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, memory and focus

MAINTAIN IDEAL MAGNESIUM LEVELS - Magnesium does wonders for your brain, but its also important to more than 300 biochemical reactions in your body; Unfortunately, most of us dont get enough magnesium from our diets, and optimal levels begin to decline as we age; Thats why supplementing with (easy-to-absorb) magnesium is a great complement to your healthy lifestyle choices, especially over time!

MAGNESIUM L-THREONATE HELPS YOUR BRAIN WORK BETTER - Your daily activities demand focus and attention; Still, over time, the little details can slip your mind and you find yourself looking for sunglasses that are on your head; Thats where our formula comes in! Our magnesium L-threonate is easy for your body to absorb into the nervous system and your brain, where it helps maintain the crucial connections between your brain cells

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