I use the metagenics brand. My doctor gave me the mag citrate, but they also have a mag glycinate which is suppose to absorb better. I was thinking about
switching when the bottle ran out, by that's going to be awhile
Here's a link to amazon:
www.amazon.com/dp/B004GLIZ9C/ref=twister_B00CKF40SG?_encoding=UTF8&psc=1