Comparison
Modafinil vs Kratom (Mitragyna speciosa)
Modafinil
A eugeroic — a wakefulness-promoting compound — originally developed for narcolepsy. The most-studied prescription cognitive enhancer outside of ADHD treatment. Produces 12–15 hour windows of sustained alertness without the euphoria, abuse potential, or cardiovascular load of amphetamines. Prescription-only in nearly every jurisdiction.
Kratom (Mitragyna speciosa)
Southeast Asian tree (Mitragyna speciosa) with opioid-like and stimulant effects. Significant dependence and overdose risk; banned in several jurisdictions.
| Field | Modafinil | Kratom (Mitragyna speciosa) |
|---|---|---|
| Category | stimulant | stimulant |
| Dose range | 100–200mg | 1000–8000mg |
| Half-life | 14h | — |
| Onset | 45min | — |
| Evidence | EVIDENCEA | EVIDENCEC |
| Safety | ●●●○○ | ●●○○○ |
| Legal (US) | USSchedule IV | USUnscheduled |
| PubMed refs | 3200 | 800 |
The comparison in plain English
Auto-generated from dataModafinil and Kratom (Mitragyna speciosa) are both in the stimulant category respectively. Modafinil A eugeroic — a wakefulness-promoting compound — originally developed for narcolepsy. Kratom (Mitragyna speciosa) Southeast Asian tree (Mitragyna speciosa) with opioid-like and stimulant effects.
Bottom line
Modafinil (evidence A, safety 3/5) has a weaker evidence base than Kratom (Mitragyna speciosa) (evidence C, safety 2/5). Modafinil has the slightly cleaner safety profile. For users new to either, the higher-evidence option is the safer first try.
Choose Modafinil if
Modafinil is the better fit when your goal aligns with its mechanism (Inhibits dopamine reuptake via the dopamine transporter (DAT), increasing extracellular dopamine in the prefrontal cortex) and the dose range (100–200mg) suits your protocol. Half-life is 14h.
Choose Kratom (Mitragyna speciosa) if
Kratom (Mitragyna speciosa) is the better fit when your goal aligns with its mechanism (Primary alkaloid mitragynine is a partial agonist at mu-opioid receptors with biased signaling — produces analgesia and mood elevation with less respiratory depression than classical opioids) and the dose range (1000–8000mg) suits your protocol. Half-life is —h.