




Product description
Magnesium L-Threonate Supports Memory and Learning* Promotes Brain Health* Magnesium (Mg) is an essential mineral best known for its role in bone and nervous system function.* 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.



Package Dimensions : 6.26 x 5.04 x 2.76 inches; 7 ounces
Date First Available : November 25, 2025
Manufacturer : NOW
ASIN : B0G3Y8WZQ9
Best Sellers Rank: #32,873 in Health & Household (See Top 100 in Health & Household) #634 in Magnesium Mineral Supplements
Customer Reviews: 4.8 4.8 out of 5 stars (79) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Essential Mineral for Bone and Nervous System: Magnesium (Mg) is an essential mineral best known for its role in bone and nervous system function*
Critical for Brain Health and Cognitive Function: 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*
Patented Blood-Brain Barrier Formula: 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*
GMP Quality Assured Manufacturing: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
Family Owned and Operated Since 1968: Packaged in the USA by a family owned and operated company since 1968
Convenient Pack of Two: This product includes 120 vegetarian capsules per bottle in a pack of 2, providing a total of 240 capsules for extended cognitive support supplementation*
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