here is a great article: http://theheartysoul.com/powerful-relaxation-mineral/
And from the NIH: Groups at Risk of Magnesium Inadequacy, People with gastrointestinal diseases: Resection or bypass of the small intestine, especially the ileum, typically leads to malabsorption and magnesium loss. -That's Us!
I assume this is also why you are interested in Mg not just for anxiety. I have struggled with this also. I used to take Mg Oxide in the past with terrible results. I now use topical Life-Flo Magnesium Lotion (Mg Chloride Brine) there are also oils and gels. I also try to bathe with Epsom salts (Mg Sulfate) as often as possible.
A nice description of Mg bonds, absorption and Ca, Mg competition, here: http://peoplesrx.com/the-best-...f-magnesium-for-you/
Of Interest, haven't tried it yet: Carolyn Dean MD - Remag here: https://www.rnareset.com/colle...;variant=13899661319
The spark of life
- Dr. Dean's Pico Meter Magnesium - 8.1 oz. bottle
- Activates 700-800 body enzyme systems
- 100% absorbed at the cellular level
- No laxative effect
I've listened to Dr. Dean on a couple of podcasts recently: one being:
http://www.extremehealthradio.com/
Episode 514
I just started taking Magnesium Orotate to give it a try -should be better with absorption, but a little pricey. I have some other issues going on that I am addressing one being mitochondrial function, but that is another story.
https://drnibber.com/understan...-types-of-magnesium/