Phosphate Magnesium Powder refers to magnesium compounds that can dissolve in water and form ions. Common water-soluble magnesium salts include magnesium chloride, ascorbic acid magnetium phosphate, magnesium nitrate, etc. Magnesium Ascorbyl Phosphate is the chemical name of vitamin C, a water-soluble vitamin. Ascorbic acid magnetium phosphate powder can promote iron absorption, participate in collagen synthesis, enhance immune system function, etc.