At a Glance
| Lisdexamfetamine | 3-FEA | |
|---|---|---|
| Class | Stimulants | Entactogen, Stimulants |
| Common Dose (oral) | 30–60 mg | 35–70 mg |
| Total Duration | 4.5–7.5 hrs | 2.3–4.5 hrs |
| Routes | oral | insufflatedoral |
Lisdexamfetamine, a Stimulants, and 3-FEA, a Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. Lisdexamfetamine is classified as a Stimulants while 3-FEA is a Entactogen, Stimulants, meaning they approach altered states through different pharmacological mechanisms. They share 27 documented effects in common, with 28 effects unique to Lisdexamfetamine and 12 unique to 3-FEA. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Lisdexamfetamine | 3-FEA | |
|---|---|---|
| Class | Stimulants | Entactogen, Stimulants |
| Common Dose (oral) | 30–60 mg | 35–70 mg |
| Total Duration | 4.5–7.5 hrs | 2.3–4.5 hrs |
| Routes | oral | insufflatedoral |
| Effects | 55 documented | 39 documented |
| Level | Lisdexamfetamine | 3-FEA |
|---|---|---|
| Threshold | 10 mg | 15 mg |
| Light | 20–30 mg | 20–35 mg |
| Common | 30–60 mg | 35–70 mg |
| Strong | 60–90 mg | 70–90 mg |
| Heavy | 90 mg | 90 mg |
| Level | Dose |
|---|---|
| Threshold | 15 mg |
| Light | 20–35 mg |
| Common | 35–60 mg |
| Strong | 50–60 mg |
| Heavy | 60 mg |
Lisdexamfetamine
3-FEA
No direct interaction data available between these substances. This does not mean the combination is safe.