The schedule

One injection each week on the same day, at any time of day, with or without food. Weeks 1 to 4: 2.5 mg. Weeks 5 to 8: 5 mg. Weeks 9 to 12: 7.5 mg. Weeks 13 to 16: 10 mg. Weeks 17 to 20: 12.5 mg. Week 21 on: up to 15 mg. Many people reach their goal on 5 to 10 mg and stay there.