vyvanse dosages.
Vyvanse vs. Adderall dosage. Vyvanse. The recommended starting dose of Vyvanse for treating ADHD in adults is 30 mg and for pediatric patients ages (6-12) it is 20 to 30 mg once daily in the morning. Doses may be increased by 10-20 mg/day at weekly intervals. The maximum dose is 70 mg daily.