5 Best Magnesium Supplements - July 2020 - BestReviews
Magnesium oxide. Magnesium oxide is a common, inexpensive magnesium supplement that's used as an antacid and laxative. However, it's not chelated, which makes it harder to absorb. Many magnesium oxide supplements contain more magnesium per pill (sometimes 60% more) to get the same absorption rate as other forms of magnesium. Magnesium oxide ...