Magnesium plays a vital role in many of your body's functions. Magnesium L-Threonate (Magtein) is a unique compound discovered by scientists at MIT that has shown exceptional absorption and the unique ability to cross your blood-brain barrier. Our Magnesium Advanced is the only magnesium compound that has been shown to effectively raise your brain’s magnesium levels while supporting other key functions within your body. This dietary supplement has been providing quality products since 2001. It supports bone and joint comfort and detoxification. There are many different forms of magnesium, but not all benefit your body the same way.