Rankings / Comparisons
Modafinil vs Adderall (amphetamine salts)
Wakefulness promoter vs prescription stimulant — overlapping use cases, very different mechanisms and risks.
Reviewed by Read Off Label · How we grade
Bottom line
On the composite score, Modafinil (B+, 7.4/10) edges out Adderall (amphetamine salts) (C+, 5.4/10) — but the right pick depends on the specific outcome you're optimising for.
- Evidence
- Strong (narcolepsy, shift-work disorder, OSA residual sleepiness); Moderate (cognitive enhancement in sleep-deprived; small effect in rested) (8/10)
- Benefit
- Med-High (6.5/10)
- Risk
- Low-Med (headache, insomnia, rare but serious SJS/TEN; mild dependence potential) (7/10 safety)
- Legality
- Rx (Schedule IV US)
- Dose
- 100-400 mg PO once daily morning
- Class
- Prescription
- Last reviewed
- Jun 8, 2026
Read Off Label grades Modafinil as B+ (7.4/10) based on strong evidence, med-high benefit magnitude, and a low-med-risk safety profile.
Battleday & Brem 2015 reviewed ~24 studies; benefits most consistent on tasks requiring sustained attention and executive function.
Typical use: 100-400 mg PO once daily morning — Rx.
What it is
Battleday & Brem 2015 reviewed ~24 studies; benefits most consistent on tasks requiring sustained attention and executive function. Minor US Schedule IV scheduling. Popular off-label cognitive enhancer among knowledge workers and military. Reduces sleep pressure markers.
Mechanism
Weak DAT inhibitor; complex orexinergic, histaminergic, glutamatergic, and GABAergic effects; promotes wakefulness with lower abuse potential than amphetamines
Full Modafinil review →
- Evidence
- Strong (ADHD); Moderate (cognitive enhancement — small effect in healthy) (8/10)
- Benefit
- Med-High (6.5/10)
- Risk
- High (addiction/dependence potential; BP/HR; anxiety; Schedule II) (2/10 safety)
- Legality
- Rx (Schedule II)
- Dose
- IR: 5-40 mg/day in divided doses; XR: 10-30 mg/day
- Class
- Prescription
- Last reviewed
- Jun 8, 2026
Read Off Label grades Adderall (amphetamine salts) as C+ (5.4/10) based on strong evidence, med-high benefit magnitude, and a high-risk safety profile.
Gold-standard ADHD treatment.
Typical use: IR: 5-40 mg/day in divided doses; XR: 10-30 mg/day — Rx.
What it is
Gold-standard ADHD treatment. In healthy individuals, benefits mostly limited to specific tasks (working memory, sustained attention) with small effect sizes. Tolerance develops. Cardiovascular risk is real, especially long-term.
Mechanism
Mixed amphetamine salts; potent DAT/NET reuptake inhibitor and TAAR1 agonist; also reverses transporter direction to force catecholamine release; elevated dopamine and norepinephrine in PFC
Full Adderall (amphetamine salts) review →
Common questions
- Which is better, Modafinil or Adderall (amphetamine salts)?
- On the composite score, Modafinil (B+, 7.4/10) edges out Adderall (amphetamine salts) (C+, 5.4/10) — but the right pick depends on the specific outcome you're optimising for.
- What's the difference between Modafinil and Adderall (amphetamine salts)?
- Wakefulness promoter vs prescription stimulant — overlapping use cases, very different mechanisms and risks.
- Can you take Modafinil and Adderall (amphetamine salts) together?
- Read Off Label doesn't make stack recommendations — see the disclaimer. Both compounds have individual mechanism, dose, and risk profiles documented on their respective pages; combining them is a clinical question that depends on the goal, indication, and other context.
This is an independent synthesis of published research by a non-clinician.
Comparison-page verdicts use the composite Read Off Label score as a
tiebreaker, but the right pick for any given person depends on indication,
context, and clinician input. See the full
disclaimer and methodology.