nebivolol + atenolol + carvedilol

This is a combination of three beta-blocker drugs—nebivolol, atenolol, and carvedilol. All three are prescription medications used primarily for cardiovascular conditions such as hypertension and heart failure. Nebivolol is a highly selective beta-1 adrenergic receptor blocker with additional nitric oxide–mediated vasodilatory effects. Atenolol is a selective beta-1 adrenergic receptor blocker that reduces heart rate and cardiac output. Carvedilol is a non-selective beta-blocker with additional alpha-1 blocking activity, providing both vasodilation and antioxidant properties. Each drug has unique pharmacological features but all act by antagonizing the effects of catecholamines (like adrenaline) on the heart, leading to reduced blood pressure and decreased cardiac workload[2][4][5][6][8].