Here's a pretty decent explanation from NootropicsDepot: http://nootropicsdepot.com/articles/magnesium-glycinate-vs-l-threonate-which-is-the-best-magnesium-supp

Here's a pretty decent explanation from NootropicsDepot: http://nootropicsdepot.com/articles/magnesium-glycinate-vs-l-threonate-which-is-the-best-magnesium-supplement/ http://nootropicsdepot.com/articles/magnesium-glycinate-vs-l...