Demo Dose® Oral Medications - Colac - 50 mg by Nasco Healthcare $27.95 PN01148 Demo Dose® Oral Medications - Colac - 50 mg / PN01148 / Cart Title Demo Dose® Oral Medications - Colac - 50 mg Product ID PN01148 CheckoutType Cart Add to cart Teach students the proper administration of oral medication. For instructional use only. Not for human or animal use. Boxes of 100.