Side effects and watch-outs
- Bradycardia (slowed heart rate)
- Fatigue
- Dizziness
- Cold extremities
- Blunts exercise heart rate response
- ⚠️ Exacerbates asthma/COPD — contraindicated in reactive airway disease
- Do not stop abruptly — taper
True NorthHealth Labs
Build
Ancillary / Cardiovascular
Non-selective beta-blocker with alpha-1 blocking activity. Cardioprotective on high-dose AAS. Used by performance users for heart rate, blood pressure, and cardiac remodelling mitigation.