Bioavailability of copper

Bo Lönnerdal

Research output: Contribution to journalArticlepeer-review

84 Scopus citations


Copper intakes of infants and adults are often much lower than current recommendations. Copper status, however, appears adequate in most populations. This suggests that copper requirements may be lower than believed earlier, except those for premature infants, who have high requirements as a result of low prenatal stores. Infants, in general, constitute a risk group because milk is low in copper. Bioavailability of copper from human milk is high, whereas it is lower from cow milk and infant formula. Protein source, amino acids, carbohydrates, and ascorbic acid can affect copper availability, whereas phytate, zinc, and iron appear to have little influence on copper absorption, at least at physiologic intakes.

Original languageEnglish (US)
JournalAmerican Journal of Clinical Nutrition
Issue number5
StatePublished - May 1996


  • Copper
  • copper absorption
  • copper bioavailability
  • copper status
  • infants

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science


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