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Updated: Apr 26, 2026

Experimental Protocol for Examining Behavioral Response Profiles in Larval Fish: Application to the Neuro-stimulant Caffeine
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The suitability of caffeinated drinks for children: a systematic review of randomised controlled trials,

C H S Ruxton1

  • 1Nutrition Communications, Cupar, UK.

Journal of Human Nutrition and Dietetics : the Official Journal of the British Dietetic Association
|August 8, 2014
PubMed

Insights

High caffeine intake in children poses risks like anxiety, but moderate amounts may aid cognition. Health authorities recommend limiting daily caffeine to 2.5 mg per kg body weight for children and adolescents.

Area of Science:

  • Pediatric Nutrition
  • Adolescent Health
  • Behavioral Science

Background:

  • Rising availability of caffeinated beverages prompts concern regarding appropriate caffeine consumption levels for children.
  • The potential benefits and risks of caffeine intake in pediatric populations require thorough investigation.

Purpose of the Study:

  • To systematically review evidence on the effects of caffeine on children's cognition, behavior, mood, and exercise performance.
  • To evaluate randomized controlled trials and discuss observational studies and expert guidelines concerning pediatric caffeine consumption.

Main Methods:

  • Systematic review adhering to Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines.
  • Inclusion of evidence from randomized controlled trials, observational studies, and expert panel guidelines.

Main Results:

  • High caffeine intake (>5 mg/kg/day) is linked to increased anxiety and withdrawal symptoms in children.
  • Moderate caffeine intake may offer cognitive and sports performance benefits, drawing parallels from adult studies.
  • Recommended daily caffeine limit for children and adolescents is 2.5 mg/kg body weight, achievable through 1-2 cups of tea or a small coffee.

Conclusions:

  • Further research is necessary to precisely define risky caffeine intake levels for children.
  • Investigating potential benefits of moderate caffeine intake on alertness and sports performance in pediatric populations is warranted.
Abstract

Keywords:
beveragescaffeinechild

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