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Mechanisms of behavioral, atopic, and other reactions to artificial food colors in children

Laura J Stevens, Thomas Kuczek, John R Burgess, Mateusz A Stochelski, L Eugene Arnold, Leo Galland
DOI: http://dx.doi.org/10.1111/nure.12023 268-281 First published online: 1 May 2013


This review examines the research on mechanisms by which artificial food colors (AFCs) and common foods may cause behavioral changes in children with and without attention-deficit/hyperactivity disorder (ADHD). Children with ADHD show excess inattention, impulsivity, and hyperactivity. Studies have shown that a subgroup of children (with or without ADHD) react adversely to challenges with AFCs. Many early studies found few children who reacted to challenges with 20–40 mg of AFCs. However, studies using at least 50 mg of AFCs showed a greater percentage of children who reacted to the challenge. Three types of potential mechanisms are explored: toxicological, antinutritional, and hypersensitivity. Suggestions for future studies in animals and/or children include dose studies as well as studies to determine the effects of AFCs on the immune system, the intestinal mucosa, and nutrient absorption. Given the potential negative behavioral effects of AFCs, it is important to determine why some children may be more sensitive to AFCs than others and to identify the tolerable upper limits of exposure for children in general and for children at high risk.

  • artificial food colors
  • attention-deficit/hyperactivity disorder (ADHD)
  • behavior
  • children
  • Tartrazine
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