Magnesium Sulfate, Potassium Sulfate, and Sodium Sulfate …
Magnesium sulfate, potassium sulfate, and sodium sulfate is used to empty the colon (large intestine, bowel) before a colonoscopy (examination of the inside of the colon to check for colon cancer and other abnormalities) in adults and children 12 years of age and older so that the doctor will have a clear view of the walls of the colon.