Adderall is available in different IR and XR form which is; Adderall 5 mg, Adderall XR 5 mg, Adderall 12.5 mg, Adderall 10 mg, Adderall XR 10 mg, Adderall 15 mg, Adderall 20 mg, Adderall XR 20 mg, Adderall 30 mg, Adderall XR 25 mg. Taken Adderall directly by mouth, with or without food; do not take overdose if you miss adose. Before using Adderall , consult with doctors if you have heart, liver, kidney problems.