A-PHP, a Stimulants, and 3-FEA, a Entactogen, Stimulants, are frequently compared by users looking to understand their relative effects, dosage profiles, and safety considerations. A-PHP is classified as a Stimulants while 3-FEA is a Entactogen, Stimulants, meaning they approach altered states through different pharmacological mechanisms. They share 24 documented effects in common, with 11 effects unique to A-PHP and 5 unique to 3-FEA. This side-by-side comparison covers dosage, duration, subjective effects, and safety to help you make informed decisions.
insufflatedoral |
| Effects | 35 documented | 29 documented |
| Level | A-PHP | 3-FEA |
|---|---|---|
| Threshold | 0.5 mg | 15 mg |
| Light | 1–5 mg | 20–35 mg |
| Common | 5–15 mg | 35–60 mg |
| Strong | 15–25 mg | 50–60 mg |
| Heavy | — mg | 60 mg |
| Level | A-PHP | 3-FEA |
|---|---|---|
| Threshold | 1 mg | 15 mg |
| Light | 5–10 mg | 20–35 mg |
| Common | 10–25 mg | 35–70 mg |
| Strong | 25–40 mg | 70–90 mg |
| Heavy | 40 mg | 90 mg |
| Level | Dose |
|---|---|
| Threshold | 1 mg |
| Light | 2–5 mg |
| Common | 5–10 mg |
| Strong | 10–20 mg |
A-PHP
Total: 2 hrs – 5 hrs
3-FEA
Total: 1 hrs – 2 hrs
A-PHP
Total: 2 hrs – 8 hrs
3-FEA
Total: 2 hrs – 5 hrs
No direct interaction data available between these substances. This does not mean the combination is safe.
Total: 4 hrs – 6 hrs