MAG365 Magnesium supplement is a powder with a highly bioavailable active ingredient magnesium citrate All natural ingredients and no fillers Magnesium is foundational to good health and over 350 body processes IngredientsIonic magnesium citrate (created from a highly absorbable proprietary blend of citric acid and magnesium carbonate,) Potassium Bicarbonate, Ascorbic Acid, Zinc Picolinate, Boric Acid, Vitamin K2-MK7 (Trans), Vitamin B6 (as Pyridoxine HCl), Vitamin D3 (Cholecalciferol) Storage and Usage Notes Keep in a dry place at room temperature, away from direct sunlight and heat Keep out of reach of young children