Magnesium is an essential dietary mineral, and is the second most common electrolyte in the body. Magnesium deficiencies are common in the western diet and magnesium is one of the most commonly used supplements for this reason. There are many supplemental forms of Magnesium, but what makes Magnesium L-Threonate unique is that research has shown that this form in particular can improve brain magnesium levels and support memory / overall cognitive function. Research on Magnesium L-Threonate has shown it to support learning, recall, and cognitive health.