Momentous Magnesium L-Threonate Review

Momentous Magnesium L-Threonate is presented as a brain-targeted magnesium that supports cognitive function, sleep quality and calm. The product is formulated with Magtein®, described as a clinically studied form of magnesium L-threonate shown to increase magnesium levels in the brain. The page states it is designed to support cognitive function, relaxation, and deep, restorative sleep. Listed benefits include support for memory and learning through a role in synaptic plasticity, support for focus, attention and cognitive performance, support for nervous system health through regulation of neurotransmitter activity, and support for deep, restorative sleep without sedation. The page explains that magnesium L-threonate is a specialized form of magnesium designed to cross the blood-brain barrier and increase magnesium levels in the brain, and that this supports neuronal signaling, synaptic plasticity and healthy brain function. Directions say to take 3 capsules daily, approximately 30 to 60 minutes before bed, as part of a consistent nightly routine. Each serving provides magnesium 145mg from 2g of Magtein®, and the container holds 30 servings. The page notes that some individuals may notice improvements in sleep quality within about 7 days, with benefits building over time and optimal effects typically after about 4 weeks, and that individual results may vary. The product is listed as NSF Certified Sport, gluten free, GMO free and vegan. Light Labs third-party testing in January 2026 covered 11 substances for quality, and the page lists five studies on magnesium and sleep, cognition and athletes. The FAQ states that each finished batch is certified through NSF Certified for Sport and that certificates of analysis are available for every batch. The page also mentions the product is HSA/FSA eligible and offers a 30 day money back guarantee. A subscription option is shown with savings and a one-time purchase option is also available.

Product Focus: Focus and MemoryAlso covers:Brain
Tier ⓘ
Tier 2 · Rank 15
Tier 2 · Researched. Human studies show improvement in an aging-related function or a specific goal, and the reviews agree. Rank 15 within Tier 2 for Focus and Memory; 15 of 53 overall. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
80 /100
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
93% of 1,880
Biohacker Mentions
6 of 10
Cost per month
$75 at 2 servings

Study, Trial or Testing Result Summary

Members Only33 human studies · 17 improved

4 of these 33 human studies gave the ingredient by drip, not by mouth.

33 human studies17 improved8 no effect5,040 people studied

This product itself was tested in 3 human studies.

This product uses magnesium L-threonate, the form tested in several placebo-controlled trials for thinking and mental clarity. Each serving gives 145 milligrams of magnesium from 2 grams of magnesium L-threonate, and the two servings a day members are told to take count as a full dose. In a 2025 trial of 100 adults with poor sleep, 2 grams a day for 6 weeks improved overall thinking, working and everyday memory, and reaction speed compared with placebo, though a reasoning test showed no difference [1]. In a 2024 trial of 80 adults with sleep problems, 1 gram a day for 3 weeks improved mental alertness, mood, energy and sleep, though thinking was not directly tested [2]. A 2022 trial of 109 healthy adults found a magnesium L-threonate formula improved memory scores, with older people gaining more [3]. Not every study agreed. A 2023 trial of 109 women recovering from breast cancer surgery found no improvement in thinking scores after 12 weeks [4]. Other oral magnesium trials also found benefits for thinking in older adults and in people with depression [5][6]. Magnesium given by vein during surgery did not prevent thinking problems [7]. Animal and cell studies are never counted.

See all 33 studies →Hide the studies

Review Totals and Summary

Members Only1,880 reviews · 93% positive
1,880 reviews · Livemomentous 981 · Amazon 781 · Healf 118
93% positive3% neutral4% negative

Momentous Magnesium L-Threonate has garnered overwhelmingly positive feedback, with approximately 1880 ratings across various stores, all of which are 4 or 5 stars. Customers consistently report significant improvements in several key areas. **What Buyers Say It Did For Them** Many users highlight a dramatic improvement in sleep quality and duration, with one noting it "improved my sleep quality and duration." They experience calmer nights and a significant reduction in nighttime awakenings, waking up feeling more rested. Beyond sleep, customers note enhanced mental clarity and focus, with one reviewer stating, "My focus is cleaner and my nights are calmer." The supplement also aids in recovery, particularly for those engaged in demanding physical and mental work. Some users found relief from anxiety and PMDD-related symptoms, including sleep issues and mood fluctuations. **Complaints** Based on the available customer feedback, there are no explicit complaints or negative experiences reported regarding Momentous Magnesium L-Threonate. **Form and Experience** The reviews do not provide specific details about the taste, smell, or pill size of the product. However, users appreciate that it helps them achieve calmer nights "without that heavy, sedated feeling," indicating a positive experience in terms of how it affects them. **Value for Money** The provided customer feedback does not contain specific comments about the product's price or its perceived value for money. **Who It Seems To Suit** This supplement appears to be well-suited for a broad range of individuals seeking to improve their sleep quality, duration, and overall restfulness. It benefits those looking for enhanced mental focus and better recovery from demanding physical and mental activities. People experiencing anxiety or PMDD-related symptoms, including sleep issues and mood fluctuations, have also found it helpful. Its broad appeal is underscored by one user who has the "Whole family on it!" Some users also noted flexibility in dosage, successfully taking less than the recommended serving. **Who It Did Not Suit** There is no feedback available to indicate who this product might not be suitable for, as all reviews are positive.

Biohacker Summary

Members Only6 of 10 recommend it
6 of 10 biohackers on our panel recommend it

Most of the panel recommends or uses magnesium, and sleep is the main reason, with several also pointing to blood pressure, stress, muscle recovery and brain function. Three panelists take 400 mg of magnesium threonate before bed, another suggests threonate for people who are low, and others prefer glycinate, often taken 90 minutes to 2 hours before bed or at night, while a few use multi-form blends or electrolyte drinks that contain magnesium. Daily totals mentioned range from 300 to 600 mg, and one panelist aims for about a gram. Two panelists are cautious: one says the evidence that magnesium reliably improves sleep is not yet strong and that labels can make the dose look larger than it is, and another only reviews the evidence without taking a side. No one said they stopped taking it.

See all 10 biohackers →Hide the biohackers
  • Dr. Rhonda Patrick · Magnesium · recommends
    • 8 Nov 2026 · recommends · Instagram ↗
      Explains that magnesium helps the body activate and metabolize vitamin D, and that magnesium intake has been associated with lower odds of vitamin D deficiency and insufficiency.
    • 6 Nov 2026 · neutral · Instagram ↗
      Mentions that getting too little magnesium may play a role in declining testosterone levels.
    • 3 Nov 2026 · recommends · X ↗
      Recommends getting enough magnesium, around 300–400 mg daily from diet and supplements, as it is an essential cofactor for vitamin D metabolism. Magnesium glycinate is a good form.
    • 1 Nov 2026 · neutral · YouTube ↗
      Mentions magnesium as one of the micronutrients found in multivitamins that people often don't get enough of from their diets.
    • 31 Oct 2026 · neutral · YouTube ↗
      Explains that magnesium helps control blood pressure by boosting the production of substances that relax blood vessels and improve cardiovascular health, citing a meta-analysis that found magnesium supplementation at an average dose of 368 mg per day notably lowers both systolic and diastolic blood pressure.
    • 29 Oct 2026 · neutral · Facebook ↗
      Magnesium supplementation has lowered blood pressure in randomized controlled trials. An analysis of 34 trials involving over 2,000 participants found modest reductions in both systolic and diastolic pressure, with a median dose of 368 mg/day.
    • 16 Oct 2026 · warns · Facebook ↗
      Warns that some magnesium supplements make the dose look much larger than it really is and that labels can fool people.
    • 29 Sep 2026 · recommends · YouTube ↗
      Mentions magnesium as an important nutrient component for testosterone.
    • 28 Sep 2026 · warns · YouTube ↗
      Warns that some supplement companies mislead consumers by listing the total compound weight of magnesium citrate as the elemental magnesium dose, when the actual elemental magnesium content is much lower, potentially around 44-66 milligrams.
    • 2 Sep 2026 · neutral · Facebook ↗
      States there is not yet strong, consistent evidence that magnesium supplementation reliably improves sleep, noting that while some meta-analyses suggest it can improve sleep quality scores, sleep efficiency, and sleep duration, individual studies are inconsistent and several have found no meaningful effect.
  • Dr. Eric Berg · Magnesium · recommends
    • 7 Nov 2026 · recommends · Facebook ↗
      Recommends Magnesium glycinate, noting its high absorption rate compared to magnesium oxide, and its support for energy, sleep, muscle relaxation, and vitamin D function.
    • 7 Nov 2026 · neutral · Instagram ↗
      Dr. Berg states that when nutrients like magnesium are too low, fatigue and weakness can follow.
    • 6 Nov 2026 · recommends · Podcast ↗
      Recommends focusing on magnesium to support stronger bones if a neck hump is associated with osteoporosis.
    • 6 Nov 2026 · neutral · Instagram ↗
      Explains that leg and calf cramps are most often caused by low magnesium, with leafy greens being a top source.
    • 6 Nov 2026 · recommends · YouTube ↗
      States that magnesium is a cofactor that allows B1 to work more efficiently.
    • 4 Nov 2026 · recommends · YouTube ↗
      States that magnesium is the most important mineral for energy production, as one cannot make energy without it.
    • 1 Nov 2026 · neutral · YouTube ↗
      Magnesium is involved in 300 to 600 enzyme reactions, acts as a biological brake pedal, is the master controller over calcium, and is involved in making ATP, the energy currency of the body. It takes energy to go to sleep, and magnesium is required for relaxation and good sleep. Magnesium also helps balance cortisol levels and calm you.
    • 30 Oct 2026 · neutral · Instagram ↗
      Dr. Eric Berg states that magnesium supports energy, muscle function, and sleep, and that most of it is stored inside cells, making deficiencies harder to detect with a standard blood test.
    • 28 Oct 2026 · neutral · YouTube ↗
      Notes that magnesium could also be a factor in preventing muscle cramps.
    • 25 Oct 2026 · recommends · YouTube ↗
      Recommends magnesium, specifically magnesium glycinate, stating it is key for D3 and K2 to work and is probably more important than calcium for building bone.
  • Thomas DeLauer · Magnesium · recommends
    • 5 Nov 2026 · recommends · YouTube ↗
      Recommends taking magnesium glycinate and threonate at night to act as a brake on the nervous system, block excitatory signaling, help wind down, and support serotonin and melatonin production for better sleep.
    • 4 Nov 2026 · neutral · YouTube ↗
      Mentions that magnesium glycinate also helps a lot with sleep.
    • 2 Nov 2026 · neutral · YouTube ↗
      Mentions that restless leg syndrome is often treated with magnesium, but states that the sensation is actually coming from three other issues.
    • 28 Oct 2026 · uses · YouTube ↗
      Uses Element's cans which contain 30 milligram magnesium, finding that electrolytes help his workout performance.
    • 24 Oct 2026 · uses · YouTube ↗
      Uses Element's 30 mg magnesium cans first thing in the morning to prime his day and help with workout performance.
    • 23 Oct 2026 · recommends · YouTube ↗
      Recommends magnesium around the time one would normally break a fast to calm the brain and dull feelings of conditioned hunger.
    • 8 Oct 2026 · recommends · Facebook ↗
      Recommends magnesium, noting it is a cofactor for enzymes that build neurotransmitters, and deficiency can affect mood, happiness, and motivation.
    • 6 Oct 2026 · neutral · YouTube ↗
      Notes that modern agricultural practices have led to soils depleted of trace minerals like magnesium, resulting in widespread magnesium deficiency.
    • 1 Oct 2026 · recommends · YouTube ↗
      Recommends taking some magnesium glycinate tonight to help calm down and sleep.
    • 25 Sep 2026 · neutral · Facebook ↗
      Mentions that magnesium in pumpkin seeds relaxes bronchial smooth muscle.
  • Andrew Huberman · Magnesium · recommends
    • 4 Nov 2026 · recommends · Instagram ↗
      Notes that Les Spellman's team includes 'Magnesium timed right' as part of their game plan to optimize recovery in unfavorable conditions.
    • 22 Oct 2026 · neutral · Podcast ↗
      Discusses Magnesium Threonate as a tool for falling asleep.
    • 7 Aug 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 27 Jul 2026 · uses · YouTube ↗
      Uses Element, an electrolyte drink with sodium, magnesium, and potassium in correct ratios and no sugar, to ensure adequate hydration and electrolytes, especially when starting days fast or during physical exercise.
    • 20 Jul 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 20 Jul 2026 · recommends · YouTube ↗
      Confirms that magnesium is absolutely important for cognitive function, noting studies show those with lower magnesium intakes tend to perform less well on cognitive function tests, and it's related to brain changes over time and dementia risk.
    • 13 Jul 2026 · uses · X ↗
      Takes 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 12 Jul 2026 · uses · X ↗
      He takes 400 mg of Magnesium L-Threonate from Double Wood before bed for sleep.
    • 6 Jul 2026 · uses · X ↗
      Takes 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 22 Jun 2026 · uses · X ↗
      Takes 400 mg of magnesium L-threonate before bed for sleep.
  • Dr. Mark Hyman · Magnesium · recommends
    • 4 Nov 2026 · recommends · YouTube ↗
      Recommends magnesium breakthrough advanced ten from Biooptimizers, which is their most complete magnesium formula with 10 bioavailable forms and 550 milligrams of elemental magnesium, designed to support restful restorative sleep, muscle recovery, stress resilience, and metabolic health.
    • 1 Nov 2026 · uses · Facebook ↗
      Recommends considering magnesium glycinate before bed for nervous system support, deeper sleep quality, and to help the body transition into rest, and states that they take it every night.
    • 29 Oct 2026 · neutral · YouTube ↗
      Explains that a lack of magnesium can cause muscles and nerves to malfunction, resulting in muscle weakness, twitching, and cramps.
    • 21 Oct 2026 · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advanced 10 from Bioptimizers for restful sleep, muscle recovery, stress resilience, and metabolic health, especially during stressful times of the year.
    • 14 Oct 2026 · recommends · TikTok ↗
      Recommends magnesium because it is involved in over 600 reactions in the body and up to 80% of people may have low levels that never get flagged on a standard blood test.
    • 12 Oct 2026 · recommends · YouTube ↗
      Recommends magnesium as a basic supplement during detoxification to support pathways, help with constipation, and provide electrolytes.
    • 7 Oct 2026 · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advanced 10 from Biooptimizers, which contains 10 bioavailable forms and 550 mg of elemental magnesium, to support restful sleep, restorative sleep, muscle recovery, stress resilience, and metabolic health.
    • 30 Sep 2026 · uses · YouTube ↗
      Has recommended magnesium breakthrough from bioptimizers for years and now uses Magnesium Breakthrough Advanced 10 as part of his evening routine, especially during periods of travel, training, and higher stress, to support sleep, muscle recovery, and metabolic health.
    • 22 Sep 2026 · recommends · Instagram ↗
      Recommends correcting nutrient deficiencies with magnesium.
    • 16 Sep 2026 · recommends · YouTube ↗
      Recommends Magnesium Breakthrough Advance 10 from BiOptimizers, which has 10 bioavailable forms of magnesium and more elemental magnesium, as part of his evening routine for sleep, muscle recovery, and metabolic health.
  • Dave Asprey · Magnesium · uses
    • 3 Nov 2026 · uses · Instagram ↗
      Looks at magnesium alongside protein to keep muscle for the long run.
    • 3 Nov 2026 · recommends · YouTube ↗
      Suggests adding magnesium to help keep potassium in the system longer, as they work hand in hand.
    • 31 Oct 2026 · neutral · YouTube ↗
      Mentions magnesium in the context of sleep but states that it doesn't address the core issue of waking up during the night.
    • 25 Oct 2026 · recommends · Podcast ↗
      Suggests that magnesium may help slow aging, support cellular repair, and improve sleep.
    • 17 Oct 2026 · neutral · Facebook ↗
      States that magnesium can affect how the body responds to a supplement.
    • 27 Sep 2026 · recommends · Podcast ↗
      Recommends fixing sleep with 300mg of Magnesium 101 before bed if diet and exercise aren't melting stubborn belly fat.
    • 7 Sep 2026 · uses · Instagram ↗
      Dave Asprey says his daily routine includes magnesium as part of a carefully developed combination for longevity.
    • 5 Sep 2026 · recommends · YouTube ↗
      Recommends magnesium glycinate for sleep, stating that trials show it helps people fall asleep about 17 minutes faster and that he finds it incredibly effective.
    • 3 Sep 2026 · recommends · YouTube ↗
      Mentions magnesium glycinate as one of the five gut-friendly, extensively researched ingredients in Kill Switch that helps with natural sleep.
    • 29 Aug 2026 · recommends · YouTube ↗
      Dave Asprey recommends Magnesium Glycinate for sleep, noting human studies show it helps people fall asleep faster, is safe, and works on a fundamental aspect of health, unlike magnesium oxide which acts as a laxative.
  • Ben Greenfield · Magnesium · uses
    • 29 Oct 2026 · uses · YouTube ↗
      Uses magnesium during surgery because it is neuroprotective.
    • 22 Oct 2026 · uses · YouTube ↗
      Says he is drinking LMNT, which contains sodium, potassium, and magnesium, and states that he actually drinks this stuff.
    • 15 Oct 2026 · recommends · Podcast ↗
      Mentions magnesium as part of a bare-minimum protocol.
    • 15 Oct 2026 · recommends · YouTube ↗
      Advises getting red blood cell magnesium levels to the high end of the range as a minimum step for overall health and to slow down heart disease.
    • 3 Sep 2026 · recommends · YouTube ↗
      Recommends supplementing with magnesium threonate if one is low in magnesium, as it crosses the blood-brain barrier and is demonstrated to increase hippocampus plasticity, theoretically making one smarter and improving memories.
    • 25 Aug 2026 · uses · Facebook ↗
      Uses Magnesium Breakthrough from BIOptimizers as part of their daily stack, taking four capsules in the evening to support relaxation, recovery, and a good night of sleep.
    • 17 Aug 2026 · recommends · Facebook ↗
      Recommends Celtic Sea Salt's new electrolyte drink "Hydrate" for replacing electrolytes and trace minerals lost through sweat, noting it contains 70 naturally occurring trace minerals, plus magnesium, taurine, and potassium.
    • 15 Aug 2026 · warns · YouTube ↗
      Had heart palpitations when he was really overdoing magnesium, not knowing what he was taking.
    • 8 Aug 2026 · recommends · YouTube ↗
      Recommends taking magnesium as a co-factor to increase vitamin D absorption.
    • 13 Jun 2026 · neutral · X ↗
      Notes a new study indicating that magnesium is a core dietary antioxidant closely associated with a reduced risk of accelerated biological aging.
  • Siim Land · Magnesium · recommends
    • 25 Oct 2026 · recommends · Instagram ↗
      States that Magnesium can be a useful addition for some people for sleep.
    • 12 Oct 2026 · recommends · YouTube ↗
      Recommends magnesium for sleep, especially deep sleep, and suggests trying better types like Threonate, Biscinate, or Torate, referencing a study where magnesium supplementation improved deep sleep.
    • 7 Oct 2026 · recommends · Instagram ↗
      Recommends Magnesium for blood pressure, migraines and deficiency, based primarily on human research, especially randomized controlled trials showing measurable benefits.
    • 6 Oct 2026 · neutral · X ↗
      Lists Magnesium as one of 15 supplements backed by human studies.
    • 30 Sep 2026 · recommends · Instagram ↗
      States that magnesium is a fundamental mineral governing over 600 enzymes and metabolic reactions, and recommends that most people need at least 400-500 mg/d for health, with some needing up to 600 mg/d.
    • 30 Sep 2026 · neutral · X ↗
      Lists seafood and pumpkin seeds as sources of Magnesium.
    • 6 Sep 2026 · recommends · Instagram ↗
      Thinks magnesium has some of the strongest evidence and is worth considering.
    • 17 Aug 2026 · recommends · YouTube ↗
      Recommends taking magnesium, specifically glycinate and threonate forms, 1 to 2 hours before bed for sleep benefits, noting that glycinate promotes relaxation and threonate crosses the blood-brain barrier for sleep quality and cognitive function.
    • 14 Aug 2026 · neutral · X ↗
      Notes that Boron reduces calcium/magnesium loss.
    • 10 Aug 2026 · recommends · YouTube ↗
      Notes that magnesium is important for activating thiamine into its more biologically active form, and a magnesium deficiency can impair blood sugar regulation even with adequate thiamine intake.
  • Bryan Johnson · Magnesium · uses
    • 22 Oct 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 15 Aug 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 4 May 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 2 May 2026 · uses · X ↗
      He takes 400 mg of Double Wood Magnesium L-Threonate before bed for sleep.
    • 21 Apr 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 15 Apr 2026 · uses · X ↗
      Takes 400 mg of Magnesium Threonate before bed for sleep.
    • 14 Apr 2026 · uses · X ↗
      Takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 8 Apr 2026 · uses · X ↗
      Takes 400 mg of magnesium L-threonate before bed for sleep.
    • 7 Apr 2026 · uses · X ↗
      He takes 400 mg of Magnesium L-Threonate before bed for sleep.
    • 5 Apr 2026 · uses · X ↗
      Takes 400 mg of magnesium threonate before bed for sleep.
  • Peter Attia · Magnesium · neutral
    • 1 Jun 2026 · neutral · Podcast ↗
      Peter reviews the evidence for select off-label medications and supplements commonly used for sleep, including glycine, magnesium, ashwagandha, and phosphatidylserine.
    • 4 Jan 2026 · recommends · YouTube ↗
      Suggests that zinc and magnesium could potentially help with vasodilation and sleep, particularly for women experiencing severe symptoms in the luteal phase.
    • 15 Sep 2025 · recommends · Podcast ↗
      Peter discusses electrolytes and fiber and the ketogenic diet, specifically preventing magnesium loss.
    • 9 Jul 2025 · recommends · YouTube ↗
      Recommends magnesium as one of the 'big three' micronutrients for bone health, suggesting a daily intake of 300 to 500 milligrams as a minimum, and personally aims for about a gram of supplemental magnesium.
    • 6 Jul 2025 · recommends · YouTube ↗
      Recommends magnesium for optimizing bone mineral density, suggesting a daily intake of 300 to 500 milligrams as a minimum, but personally aims for about a gram.
    • 7 Jul 2024 · recommends · YouTube ↗
      Takes a hardline view that most people do not have adequate or optimal levels of magnesium, and suboptimal levels will impede the metabolism of vitamin D because magnesium is a cofactor in its enzymatic conversion.
    • 1 Jul 2024 · uses · YouTube ↗
      Takes a hardline view that most people do not have adequate or optimal levels of magnesium, and suboptimal levels will impede vitamin D metabolism because magnesium is a co-factor in the enzymatic conversion of vitamin D.
    • 20 May 2024 · uses · YouTube ↗
      Takes magnesium as a straightforward supplement.
    • 28 Feb 2024 · neutral · YouTube ↗
      Mentions that magnesium intake is often super low and impactful on testosterone levels.
    • 11 Dec 2023 · uses · Facebook ↗
      Discusses the important roles of magnesium in the body, how to determine if one might be deficient, the prevalence of magnesium deficiency, and its potential cognitive benefits.

RAL Summary

Members OnlyTier 2 for Focus and Memory

A 100-person placebo-controlled trial of this exact form at this dose improved thinking, memory and reaction speed, with a second trial showing better mental alertness, and 96% of 2093 reviews are positive [1][2].

Take 2 servings a day (6 capsules) to match the dose that worked in the studies.

This product itself was tested in 3 human studies.

Where the evidence disagrees: 8 of the 33 human studies found no effect.

More Details

Members OnlyBody systems · Combine with · Possible side effects

Body systems: Nervous system

Combine with: To further enhance cognitive support and mental clarity, consider combining Magnesium L-Threonate with Omega-3 fatty acids (specifically DHA) for brain structure and function, Bacopa Monnieri for memory enhancement, and Lion's Mane mushroom for nerve growth factor support. Additionally, B vitamins, particularly B6, B9, and B12, are crucial for neurotransmitter synthesis and overall brain health, while L-Theanine can promote a state of relaxed alertness, complementing the focus benefits.

Possible side effects: No major side effects reported.

Supplement Facts

Magnesium 145 mg
Supplement Facts
Serving Size 3 Capsules
Servings Per Container 30
Amount Per Serving% Daily Value
Magnesium (from 2g Magtein® Magnesium L-Threonate)145 mg35%

Other ingredients: Rice Flour, Hypromellose (Capsule), Magnesium Stearate, Silica.

Label source: Livemomentous · Report a label change

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Magnesium L-Threonate

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Our articles on this subject

Graded October 26, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.