The Ascor Ascorbic Acid Injection manufactured by McGuff Pharmaceuticals is FDA-approved and is available as a 500 mg/mL, preservative free, 50 mL pharmacy bulk package vial sold as an individual vial or tray pack of 25 vials. Ascor is available through Cardinal, McKesson, and AmerisourceBergen. The NDC for an individual vial is 67157-0101-50, and for a tray pack of 25 vials is 67157-0101-51.

McGuff Company