Niacin
Sulfur
Sodium
Boron
Zinc
Magnesium
Chlorine

Nitrogen Nicotinic Niacin
Sulfur MSM/DMSO
Sodium Salt
Boron Borax
Zinc
Magnesium Chlorine

https://en.m.wikipedia.org/wiki/Magnesium_oil

https://en.m.wikipedia.org/wiki/Magnesium_chloride