In his book PiHKAL, the dosage is listed as approximately 200–400 mg for the sulfate salt, and 178–356 mg for the hydrochloride salt. Its effects last for 12 hours.
According to PiHKAL, the dosage ranges from approximately 200–400 mg for the sulfate salt and 178–356 mg for the hydrochloride salt. The drug's impact persists for roughly 12 hours.