I've been taking a magnesium supplement for about 3-4 years now. I wasn't sure I needed it, but I had trouble falling asleep and couldn't relax. Once I started taking magnesium all my sleep problems went away AND, as an added bonus, I now have very vivid dreams.
This variety of magnesium sits well with my system. Some forms of it can give you bowel issues. I'm fine with this brand and how it's made.