At a Glance
Dosage
oral
| Level | Ephedrine | 2-FA |
|---|---|---|
| Threshold | 5 mg | 5 mg |
| Light | 10–20 mg | 15–30 mg |
| Common | 20–30 mg | 30–50 mg |
| Strong | 30–50 mg | 50–60 mg |
| Heavy | 50 mg | 60 mg |
Duration
oral
Ephedrine
oral
Total: 2 hrs – 5 hrsOnset
Afterglow
Onset20 min – 1.5 hrs
Afterglow2 hrs – 4 hrs
2-FA
oral
Total: 2 hrs – 4 hrsPeak
Effects
Shared Effects5
Safety
Interaction: Ephedrine + 2-FA
Caution
Increased cardiovascular strain and neurotoxicity risk
Ephedrine — Dangerous Interactions
2-FA — Dangerous Interactions
Frequently Asked Questions
What is the difference between Ephedrine and 2-FA?
Ephedrine is classified as a Stimulants (Amphetamine) while 2-FA is classified as a Stimulants (Substituted amphetamines). They share 5 effects in common, with 23 effects unique to Ephedrine and 7 unique to 2-FA.
Is it safe to combine Ephedrine and 2-FA?
The interaction between Ephedrine and 2-FA is classified as "Caution". Increased cardiovascular strain and neurotoxicity risk Always research interactions thoroughly before combining any substances.
Which is stronger, Ephedrine or 2-FA?
At common doses via oral, Ephedrine is typically dosed at 20–30 mg while 2-FA is dosed at 30–50 mg. However, "stronger" depends on context — potency, subjective intensity, and duration all factor in. These substances have different pharmacological profiles and comparing raw potency is not straightforward.