Prebiotic supplementation does not affect reading: a randomised placebo-controlled study

Research output: Contribution to journalArticlepeer-review


  • Liliana Capitao
  • Rita Baiao
  • Hee Baek
  • Nils Kappelmann
  • Rachel Sharman
  • Christopher-James Harvey
  • Philip W J Burnet


Based on the emerging interest in the effects of gut microbiota on cognition, this proof-of-concept study assessed how children aged 7 to 9 with low reading scores responded to the ingestion of a 3-month prebiotic supplement versus a placebo. As a secondary aim, the effects of the prebiotic on cognition, sleep, behaviour, mood, anxiety, and cortisol were assessed. In this sample, the prebiotic did not affect any of the outcome measures.


Original languageEnglish
Pages (from-to)148-152
JournalJournal of Psychopharmacology
Issue number1
Early online date25 Jul 2019
Publication statusPublished - Jan 2020


  • galacto-oligosaccharides, cognition, behaviour, actigraphy, sleep, cortisol