Mega-Mag Liquid Magnesium is a rich and natural source of concentrated magnesium chloride, with a full spectrum of trace ionic elements that act as natural co-factors and help with calcium absorption, maintaining a healthy cardiovascular system, and can calm and relax the nervous system. Dosage 1-4 ml (1-4 full pipettes) daily with juice or food. We recommend starting with 1 ml and increasing as needed, ideally divided throughout the day. Taking too much magnesium at once can have a laxative effect. If this happens, simply reduce the dosage per serving. ingredients Ingredients per serving (4ml): Magnesium: 400mg Chlorine: 1100mg Sodium: 5mg Potassium: 5mg Sulfate: 70mg Boron: 1.5mg