Magnesium L-Threonate is a newer form of magnesium that’s generating interest for its potential effects on brain health. It’s unique because there are claims that it appears to cross the blood-brain barrier more effectively than other forms, so it’s often marketed for memory, learning, and cognitive support. Learn my thoughts on it. For more info on Magnesium click link in bio or here: https://www.drweil.com/vitamins-supplements-herbs/magnesium/ | Andrew Weil, M.D.