2C-T-21/Summary
Harm potential 
-
- Not habit-forming
Tolerance 
-
- Full tolerance is reached almost immediately after ingestion
- Decreases to half after 3 days
- Returns to baseline after 7 days
- Cross-tolerance with all psychedelics
Physical effects 
-
- Abnormal heartbeat
- Dehydration
- Diarrhea
- Difficulty urinating
- Dizziness
- Frequent urination
- Headache
- Increased blood pressure
- Increased bodily temperature
- Increased heart rate
- Increased perspiration
- Muscle cramp
- Muscle twitching
- Nausea
- Stomach bloating
- Stomach cramp
- Teeth grinding
- Temperature regulation suppression
- Watery eyes
