Answer
Acebutolol preferentially blocks beta1 adrenergic receptors in the heart, reducing heart rate especially during exercise and lowering blood pressure in people with hypertension.
Sources for this answer
- Acebutolol 400 mg film-coated tabletsAurobindo Pharma - Milpharm Ltd. · emc · SmPC §5.1 Pharmacodynamic properties · Version 4Document updated
Sources checked