Zenobloc 100 mg tablet. A selective beta-1 adrenergic blocker that controls blood pressure, reduces heart rate, and relieves angina by decreasing cardiac workload. Covered under the PhilHealth GAMOT Anti-hypertensive and Cardiology benefit and dispensed free of charge to active PhilHealth members by TrueMed, an accredited PhilHealth GAMOT Facility. Brand: Zenobloc.