The more magnesium inside your brain the better you think. All magnesium helps some (eat your greens but also digest them). But most magnesium has trouble crossing the blood-brain barrier. Magnesium threonate can go from your systemic blood to your brain intimate blood. But it is not best for other tissue demands of magnesium.

Best magnesium supplementation is individualized for you from diverse sources and even delivery modes.

Work with an experienced nutritional practitioner that can also assess your microbiome and digestive enzyme status, all needing to be on board for optimal magnesium absorption on all levels.

Expert Opin Ther Targets. 2014 Oct