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The study began with an open-label dose optimization period (4 to 6 weeks) with an initial QUILLIVANT XR dose of 20 mg once daily in the morning. The dose could be titrated weekly in increments of 10 or 20 mg until a therapeutic dose or the maximum dose of 60 mg/day was reached.
The average therapeutic dose of the tincture is 1  3 dropperfuls 2 to 3 times daily in tea or warm water. Of the powdered extract, take 60 to 300 mg. Of the powder take 0.5 to 1.5 grams 2  3 times daily. Mark Pederson gives the typical daily usage as follows: