WHY DOES IT SAY MAGNESIUM CARBONATE IN THE INGREDIENTS LISTINGS? I THOUGHT NATURAL CALM WAS MAGNESIUM CITRATE?

The final product when consumed is magnesium citrate. It is created with a proprietary blend of magnesium carbonate and citric acid. Once added to water, a chemical reaction binds the two together and creates ionic magnesium citrate. As per Health Canada regulation we must list the ingredients in their elemental state.