3/day, 50,000 IU Vitamin D2 every 1-2 weeks, maintenance dose is 50,000 IU every 1, 2, or 4 weeks Treatment of Deficiency: 50,000 IU Vitamin D2 every week for 8-12 weeks; repeat for another 8-12 weeks if blood levels still less than 30 ng/mL *NOTE: Always consult with your Physician, Registered Dietitian, or other licensed healthcare professional before starting treatment.