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Caffeine consumption

J J Barone1, H R Roberts

  • 1Coca-Cola Company, Atlanta, GA 30313, USA.

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
|January 1, 1996
PubMed
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This study provides standard caffeine content values for US foods and suggests mean daily intake levels. US adults consume about 4 mg/kg, while children consume 1 mg/kg of caffeine daily.

Area of Science:

  • Food Science
  • Nutritional Science
  • Public Health

Background:

  • Caffeine content in food products varies significantly across scientific literature.
  • Limited data exists on caffeine consumption patterns.

Purpose of the Study:

  • To establish standard caffeine content values for common food products in the United States.
  • To estimate mean daily caffeine intake for US consumers, including children.
  • To compare US caffeine intake with that of consumers in the UK and Denmark.

Main Methods:

  • Literature review to compile caffeine content data for various food and beverage products.
  • Analysis of available consumption data to estimate daily intake.
  • Calculation of mean daily caffeine intake per kilogram of body weight for different age groups.

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Main Results:

  • Standard caffeine values proposed for coffee, tea, colas, cocoa, chocolate milk, and candy in the US.
  • Suggested mean daily caffeine intake for US consumers is 4 mg/kg.
  • Mean daily caffeine intake for US children (<18 years) is approximately 1 mg/kg.
  • Higher caffeine intake levels observed in adults and children in Denmark and the UK.

Conclusions:

  • The proposed standard values offer a baseline for caffeine content in US food products.
  • Estimated US caffeine consumption is lower than in Denmark and the UK.
  • Further research on caffeine consumption surveys is needed to refine intake estimates.