Sodium Sulfate, Potassium Sulfate, And Magnesium Sulfate …
For oral dosage form (powder for oral solution): Adults—. Dose 1: One bottle taken early in the evening before colonoscopy, 10 to 12 hours before the second dose. Dose 2: One bottle taken in the morning of the test, at least 3.5 hours before the colonoscopy. Children—Use and dose must be determined by your doctor.