DoseCompass / Medications / Adderall XR
Adderall XR
mixed amphetamine salts ER · Amphetamine class
The extended-release form of Adderall: half the beads dissolve immediately, half about four hours later, packing a two-dose day into one morning capsule.
*Approximate U.S. cash price for a 30-day supply with a free discount card, mid-2026. Compare current prices on GoodRx.
Available strengths
5 mg · 10 mg · 15 mg · 20 mg · 25 mg · 30 mg
How long it lasts
Typical effective duration is 8–12 hours, though metabolism, sleep, and food timing move this meaningfully for individuals. See how it compares to every other product on the duration chart.
Approximate dose equivalents
Every marketed Adderall XR strength translated into five common alternatives (total-daily-dose basis). Cross-class figures (†) use the rough ~2:1 amphetamine↔methylphenidate heuristic and are the least precise.
| Adderall XR | Adderall IR | Vyvanse | Ritalin IR | Concerta | Focalin |
|---|---|---|---|---|---|
| 5 mg | ≈ 5 | ≈ 12.5 | ≈ 7.5 † | ≈ 9 † | ≈ 3.8 † |
| 10 mg | ≈ 10 | ≈ 25 | ≈ 15 † | ≈ 18.1 † | ≈ 7.5 † |
| 15 mg | ≈ 15 | ≈ 37.5 | ≈ 22.5 † | ≈ 27.1 † | ≈ 11.3 † |
| 20 mg | ≈ 20 | ≈ 50 | ≈ 30 † | ≈ 36.1 † | ≈ 15 † |
| 25 mg | ≈ 25 | ≈ 62.5 | ≈ 37.5 † | ≈ 45.2 † | ≈ 18.8 † |
| 30 mg | ≈ 30 | ≈ 75 | ≈ 45 † | ≈ 54.2 † | ≈ 22.5 † |
All values ≈ mg/day, from published cross-titration references and product labeling. For a custom dose or frequency, use the interactive converter.
Common questions
What strengths does Adderall XR come in?
Adderall XR (mixed amphetamine salts ER) is available in: 5, 10, 15, 20, 25, 30 mg.
How long does Adderall XR last?
Typical effective duration is 8–12 hours, though individual metabolism varies.
Is there a generic Adderall XR?
Yes. With a free discount card, a typical 30-day supply runs about $20–45 without insurance.
What is Adderall XR equivalent to?
As a total-daily-dose approximation, Adderall XR 20 mg is ≈ 50 mg Vyvanse, ≈ 30 mg/day methylphenidate (Ritalin). These are discussion figures from published cross-titration references — cross-class conversions are rougher, and actual switches are titrated by your prescriber.