They don't prescribe it because they probably aren't allowed to do so.  Also, because they know it's important to heart function, and too many doctors make their living off of people with heart issues. How sad that their new boat means more to them than people's lives.

This article is long so break it up into a few minutes here and a few minutes there, if necessary, to finish reading it.  It contains some VERY important information.  Everyone should know this stuff, but few people EVER do.

https://drsircus.com/general/why-dont-doctors-prescribe-magnesium/?utm_source=Dr+Sircus+Newsletter&utm_medium=email&utm_campaign=Newsletter_11_09_2019