We need magnesium and are supposed to be getting our daily needs from the food we eat.  We are not.

So, I have two options to help supplement your daily requirements.

A spray is where I started.  It's easy to apply, don't need to touch if you don't want to.  It can leave a stinging sensation, similar to a walk in cold misting air in winter.  This is why it's suggested to apply to the bottoms of the feet.  Personally, I feel it works quicker if you apply it where you need it.