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Beverage caffeine intakes in the U.S.

Diane C Mitchell1, Carol A Knight2, Jon Hockenberry3

  • 1Department of Nutritional Sciences, The Pennsylvania State University, 110 Chandlee University Park, PA 16802, United States.

Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association
|November 6, 2013
PubMed
Summary

Most Americans consume caffeinated beverages daily, with coffee being the main source of caffeine. Average daily intake is 165 mg, but higher for those aged 50-64.

Keywords:
BeveragesCSDCSFIICaffeineConsumptionContinuing Survey of Food Intakes in IndividualsFDAFood and Drug AdministrationIntakeKWPKantar WorldpanelNDSRNHANESNational Health and Nutrition Examination SurveyNutrition Data System for ResearchSIPShare of Intake PanelSurveyU.S. populationUS Department of AgricultureUSDAcarbonated soft drink

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Area of Science:

  • Nutrition Science
  • Dietary Intake Assessment
  • Public Health

Background:

  • Caffeine is widely consumed, primarily through beverages.
  • Limited population-level data exists on caffeine intake in the U.S.

Purpose of the Study:

  • To estimate caffeine intake across the U.S. population.
  • To identify primary sources of caffeine consumption by age group.

Main Methods:

  • Utilized the Kantar Worldpanel Beverage Consumption Panel data.
  • Analyzed 7-day dietary intake diaries from 37,602 U.S. consumers (≥ 2 years).
  • Developed a detailed database of caffeine values for beverages.

Main Results:

  • 85% of the U.S. population consumes caffeinated beverages daily.
  • Mean daily caffeine intake was 165±1 mg; highest in the 50-64 age group (226±2 mg).
  • Coffee was the leading source; soft drinks and tea were significant for younger demographics.

Conclusions:

  • Provides current data on U.S. caffeine consumption patterns.
  • Highlights coffee as the primary caffeine source across all age groups.
  • Identifies key beverage contributors to caffeine intake by demographic.