Organika Magtein Magnesium L-Threonate, The Magnesium Form Studied for Brain Penetration, 90 Vegetable Capsules Size:90 Vegetable Capsules Retinol (the active form of

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Organika Magtein Magnesium L-Threonate, The Magnesium Form Studied for Brain Penetration, 90 Vegetable Capsules Size:90 Vegetable Capsules Retinol (the active form ofOrganika Magtein Magnesium L Threonate Details Magtein is the branded magnesium L threonate developed at MIT and used in the research on magnesium and cognitive function. Licensed under NPN 80088295. The reason it commands a premium is specific: most magnesium forms cross the blood brain barrier poorly, and threonate was developed to address exactly that. If your interest in magnesium is cognitive rather than muscular, this is the form the studies