3-FEA, a Entactogen, Stimulants, and MDA, a Psychedelic, Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. 3-FEA is classified as a Entactogen, Stimulants while MDA is a Psychedelic, Entactogen, Stimulants, meaning they approach altered states through different pharmacological mechanisms. They share 33 documented effects in common, with 6 effects unique to 3-FEA and 48 unique to MDA. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
| Effects | 39 documented | 81 documented |
| Level | 3-FEA | MDA |
|---|---|---|
| Threshold | 15 mg | 20 mg |
| Light | 20–35 mg | 40–60 mg |
| Common | 35–70 mg | 60–100 mg |
| Strong | 70–90 mg | 100–145 mg |
| Heavy | 90 mg | 145 mg |
| Level | Dose |
|---|---|
| Threshold | 15 mg |
| Light | 20–35 mg |
| Common | 35–60 mg |
| Strong | 50–60 mg |
| Heavy | 60 mg |
3-FEA
MDA
No direct interaction data available between these substances. This does not mean the combination is safe.