was the first form ever made. It is typically still in many therapeutic medical
textbooks.

It has only been recently that bioavailability studies comparing how much is actually ABSORBED from a magnesium tablet, that the truth was discovered that Magnesium Oxide remains in the GI tract.

Slow Mag is only one way to improve absorption. This product was designed years ago BTW, to treat magnesium deficiencies. It was developed by the Searle drug company. The patent was just purchased by Purdue labs.

I have this information with links explaining all the types on the Vitamin forum.
You really need to read it...to see why choosing a chelated type or delayed acting type is best.

When you have cramping muscles or other symptoms, and they go away rapidly on a dose you are taking, then you know it is working. I can feel that within a day! The links I have spent alot of time finding and sharing here are very interesting. Vision, hearing, seizures, ADHD, muscle issues, grinding teeth at night, diabetes, etc are all in my thread.