At this point in understanding exactly what dua is, it would be easy for someone from a Christian background to think that dua is prayer. Dua certainly holds certain similarities to the prayer of Christians, however it should not be confused with what Muslims call prayer.
No, Vyvanse is not yet available as a generic. Adderall, which is very similar to Vyvanse, is available as a generic. You may want to talk to your physician about whether it would be a good alternative for you if you are looking to save money on your medication.
Vyvanse (lisdexamfetamine) is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control. Vyvanse is used to treat attention deficit hyperactivity disorder (ADHD) in adults and in children who are at least 6 years old.