Each caplet of Mag-Tab®SR contains 84 mg of elemental magnesium L-lactate dihydrate.
Four 84 mg Mag-Tab®SR caplets daily contain 336 mg of elemental magnesium and will meet the USRDA
range for the average adult female and male (300-350 mg daily). Patients with kidney disease should not take
magnesium supplements without the advice and direct supervision of a physician.