Amphetamines

15 mg XR Adderall is usually prescribed to be taken one to three times each day. If 15 mg Adderall XR first time use you should consult with your doctor or health provider. It will take only one dose per day in the morning. This medication is more effective, as it can boost energy enough to cause insomnia if taken too late in the day. After taking Adderall XR 15mg cap, you will know it is effective when your concentration on work improves. You may also Adderall XR 15 mg how long does it last you want to know first feel a burst of energy when it first begins to work. It depends on medication tolerance and the strength of the medication formula.