烟酸占替诺酯是黄嘌呤醇和烟酸的组合，其起血管扩张剂的作用。研究表明烟酸黄嘌呤酚可以在肿瘤复氧期间调节肿瘤。烟酸占替诺还显示出抗血小板和溶栓活性。另外，由于其抗血小板活性，该化合物可降低全血粘度，并降低胆固醇和纤维蛋白原。 Xanthinol niacinate is a combination of xanthinol and niacin which acts as a vasodilator. Studies show that Xanthinol niacinate can modulate tumors during their reoxygenation. Xanthinol niacinate also displays anti-platelet and thrombolytic activity. In addition, this compound can reduce whole blood viscosity, as a result of its anti-platelet activity and decrease cholesterol and fibrinogen.