Compare Magnesium L-Threonate Supplements: Ingredients & Supplement Facts
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Magnesium L-Threonate is a patented form of magnesium bound to L-threonic acid, often sold under the brand name Magtein®, and is distinguished by its ability to cross the blood-brain barrier to support cognitive function. Products in this category typically provide 144–145 mg of elemental magnesium per serving from 2,000 mg of magnesium L-threonate, and are available in capsules, powders, gummies, and chewables.
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