In a previous similar discussion on HN a few years ago, someone made the same point- and lots of people said that supplementing magnesium permanently changed their mental state for the better. So I started supplementing with magnesium-threonate, and it low-key changed my life. Less anxiety and depression, and I swear that my long distance vision sharpened up a bit. Anyways, seeing as reading the HN comments changed my life for the better a little bit, I always try to give back and tell people my experience with supplementing magnesium