Biochem/physiol Actions Cavedilol is a non-selective β-adrenergic blocker with α1 blocking activity. Carvedilol is used specifically for the treatment of heart failure and high blood pressure. It has been shown to improve left ventricular ejection fraction and may reduce mortality. Other Notes Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. C3993.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.