Ionic magnesium citrate (created from a highly absorbable proprietary blend of citric acid and magnesium carbonate), Potassium (Potassium Bicarbonate), Calcium (Calcium Lactate), Vitamin C (Ascorbic Acid), Zinc (Zinc Picolinate), Vitamin B6 (Pyridoxal 5 -phosphate), Boron (Boric Acid), Vitamin K2 (Menaquinones), Vitamin D3 (Cholecalciferol). *magnesium carbonate and citric acid combine with water to create ionic magnesium citrate