Demo Dose® Oral Medications - Metformn - 500 mg by LifeForm $0.00 pn01169 Demo Dose® Oral Medications - Metformn - 500 mg / PN01169 / Cart Title Demo Dose® Oral Medications - Metformn - 500 mg Product ID PN01169 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.