Niacin + Simvastatin We have found the Brand name of Niacin + Simvastatin. Currently, 2 brands available by this Niacin + Simvastatin.List of Brands for Niacin + Simvastatin MedicationSimastin N (Er Tablet) 500 mgNiacin + SimvastatinBeximco Pharmaceuticals Ltd.Simastin N (Er Tablet) 20 mgNiacin + SimvastatinBeximco Pharmaceuticals Ltd.