Comparison
Modafinil vs Yerba Mate
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.
Yerba Mate
South American tea (Ilex paraguariensis) with caffeine, theobromine, and polyphenols. Smoother stimulant profile than coffee.
| Field | Modafinil | Yerba Mate |
|---|---|---|
| Category | stimulant | stimulant |
| Dose range | 100–200mg | 500–2000mg |
| Half-life | 14h | — |
| Onset | 45min | — |
| Evidence | EVIDENCEA | EVIDENCEB |
| Safety | ●●●○○ | ●●●●○ |
| Legal (US) | USSchedule IV | USOTC |
| PubMed refs | 3200 | 380 |
The comparison in plain English
Auto-generated from dataModafinil and Yerba Mate are both in the stimulant category respectively. Modafinil A eugeroic — a wakefulness-promoting compound — originally developed for narcolepsy. Yerba Mate South American tea (Ilex paraguariensis) with caffeine, theobromine, and polyphenols.
Bottom line
Modafinil (evidence A, safety 3/5) has a weaker evidence base than Yerba Mate (evidence B, safety 4/5). Yerba Mate 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 Yerba Mate if
Yerba Mate is the better fit when your goal aligns with its mechanism (Contains caffeine (~80 mg per cup) plus theobromine and theophylline) and the dose range (500–2000mg) suits your protocol. Half-life is —h.