DoseCompass / Medications / Vyvanse
Vyvanse
lisdexamfetamine · Amphetamine class
A prodrug: inactive until enzymes in your blood convert it to dextroamphetamine at a fixed rate, producing the smoothest ride of any amphetamine. Generic since 2023.
*Approximate U.S. cash price for a 30-day supply with a free discount card, mid-2026. Compare current prices on GoodRx.
Available strengths
10 mg · 20 mg · 30 mg · 40 mg · 50 mg · 60 mg · 70 mg
How long it lasts
Typical effective duration is 10–14 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 Vyvanse 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.
| Vyvanse | Adderall IR | Adderall XR | Ritalin IR | Concerta | Focalin |
|---|---|---|---|---|---|
| 10 mg | ≈ 4 | ≈ 4 | ≈ 6 † | ≈ 7.2 † | ≈ 3 † |
| 20 mg | ≈ 8 | ≈ 8 | ≈ 12 † | ≈ 14.5 † | ≈ 6 † |
| 30 mg | ≈ 12 | ≈ 12 | ≈ 18 † | ≈ 21.7 † | ≈ 9 † |
| 40 mg | ≈ 16 | ≈ 16 | ≈ 24 † | ≈ 28.9 † | ≈ 12 † |
| 50 mg | ≈ 20 | ≈ 20 | ≈ 30 † | ≈ 36.1 † | ≈ 15 † |
| 60 mg | ≈ 24 | ≈ 24 | ≈ 36 † | ≈ 43.4 † | ≈ 18 † |
| 70 mg | ≈ 28 | ≈ 28 | ≈ 42 † | ≈ 50.6 † | ≈ 21 † |
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 Vyvanse come in?
Vyvanse (lisdexamfetamine) is available in: 10, 20, 30, 40, 50, 60, 70 mg.
How long does Vyvanse last?
Typical effective duration is 10–14 hours, though individual metabolism varies.
Is there a generic Vyvanse?
Yes. With a free discount card, a typical 30-day supply runs about $25–100 without insurance.
What is Vyvanse equivalent to?
As a total-daily-dose approximation, Vyvanse 40 mg is ≈ 16 mg Adderall XR, ≈ 24 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.