Originally Posted by mrsD

Yes, I use Ionic Fizz too, and have posted it in my magnesium thread. It is very fast acting. But for me I get loose if I use it 3 days in a row. (I am just sensitive to magnesium oral).

The SlowMag is more gentle, that's all. SlowMag was originally put on the market for medical doctors to use in cardiac patients.
People on long term diuretic therapy, get very low in magnesium and that can cause cardiac issues. But it has always been over the counter.

I like the Ionic Fizz, though too.