Magtein Magnesium L-Threonate

What the brand says

Sold as “Magtein Magnesium L-Threonate - 90 Capsules - Magnesium L-Threonate Support Brain Health*”

Magnesium (Mg) is an essential mineral best known for its role in bone and nervous system function.* Recent research has demonstrated that it is also critical for normal brain health and normal cognitive function.* However, most forms of Mg are not easily absorbed into the nervous system.* Magtein is a patented form of Mg that readily crosses the blood-brain barrier for use in the brain.*