Trace minerals work as a team, and they rely on each other for both absorption and proper utilization within our bodies. For Magnesium to have an optimal effect, the other 70+ trace minerals found in sea water need to be present.
It's all about synergy.
 
Each 0.03oz of Aussie's Best Magnesium & Trace Mineral Spray contains 52mg of trace minerals with 49mg being Magnesium Chloride.