Sublingual absorption allows a drug to diffuse into the capillary network and,therefore, to enter the systemic circulation directly. @Rapid absorption (Pass straight into systemic circulation) 8 Glenmapk NM0C6B462-146-25 NITROGLYCERIN Convenience of administration TABLETS,USP Rx Only 25 Sublingua Tablets @Avoidance of first-pass metabolism 10Sublingual Sublingual absorption absorption allows a drug to diffuse into the capillary network and, therefore, to enter the systemic circulation directly. 10 Rapid absorption (Pass straight into systemic circulation) Convenience of administration Avoidance of first-pass metabolism