How Iron interacts with ascorbic acid

Interaction type: Interactions

Interaction rating: Study Supported

Ascorbic acid (vitamin C) increases the absorption of iron. If your healthcare professional prescribed an iron supplement, this effect may alter the dose needed. (1) (2)


  1. View Abstract: Hallberg L, Brune M, Rossander-Hulthen L. Is There a Physiological Role of Vitamin C in Iron Absorption? Ann N Y Acad Sci. 1987;498:324-32
  2. View Abstract: Lynch SR, Cook JD. Interaction of Vitamin C and Iron. Ann N Y Acad Sci. 1980;355:32-44.