How Zinc interacts with iron

Interaction type: Interactions

Interaction rating: Potential/Theoritical

Zinc and iron are capable of decreasing the absorption of the other from the digestive tract. Supplementation with affected nutrient(s) may be necessary. (1) (2)


  1. View Abstract: Solomons NW, Jacob RA. Studies on the Bioavailability of Zinc in Humans: Effects of Heme and Nonheme Iron on the Absorption of Zinc. Am J Clin Nutr. Apr1981;34(4):475-82.
  2. View Abstract: Rossander-Hulten L, Brune M, Sandstrom B, et al. Competitive Inhibition of Iron Absorption by Manganese and Zinc in Humans. Am J Clin Nutr. Jul1991;54(1):152-6.