I take magnesium bisglycinate. When I first switched, I was taking about 400 mg without diarrhea. I've since replaced some of it with other forms purely for logistic reasons.
The following article covers the various forms of magnesium available for supplementation.
10 Interesting Types of Magnesium (and What to Use Each For)
The following article covers the various forms of magnesium available for supplementation.
10 Interesting Types of Magnesium (and What to Use Each For)