Magnesium threonate is a highly absorbable form of magnesium that's been shown to support healthy magnesium levels in the brain. Magnesium citrate and magnesium chloride simply don't impact brain levels nearly as much as magnesium threonate ... which really helps enhance cognitive function. Magnesium threonate may improve memory, attention span, concentration.
So Life Extension has developed a premium-quality magnesium threonate supplement that provides you with 144 mg of elemental magnesium for healthy brain function. And if you're really smart ... you'll start taking it right now ... so you can ensure you'll stay that way!