3-FA, a Stimulants, and 3-FEA, a Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. 3-FA is classified as a Stimulants while 3-FEA is a Entactogen, Stimulants, meaning they approach altered states through different pharmacological mechanisms. They share 6 documented effects in common, with 2 effects unique to 3-FA and 23 unique to 3-FEA. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Effects | 8 documented | 29 documented |
| Level | 3-FA | 3-FEA |
|---|---|---|
| Threshold | 10 mg | 15 mg |
| Light | 20–30 mg | 20–35 mg |
| Common | 30–50 mg | 35–70 mg |
| Strong | 50–70 mg | 70–90 mg |
| Heavy | 70 mg | 90 mg |
| Level | Dose |
|---|---|
| Threshold | 15 mg |
| Light | 20–35 mg |
| Common | 35–60 mg |
| Strong | 50–60 mg |
| Heavy | 60 mg |
3-FA
Total: 4 hrs – 6 hrs
3-FEA
Total: 4 hrs – 6 hrs
Total: 1 hrs – 2 hrs
No direct interaction data available between these substances. This does not mean the combination is safe.