Beverage Caffeine Intake Study

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A large variety of new caffeinated beverage products have entered the market in recent years, including new types of energy drinks, cold brew and ready-to-drink specialty coffees and teas, and caffeinated waters and sports drinks. With shifts towards remote work and learning, online food and grocery ordering, and rapid pickup and delivery options for consumers, an updated evaluation of beverage consumption patterns and caffeine intakes in the U.S. population is warranted. The study will provide a current perspective on caffeinated beverage consumption patterns and caffeine intakes from a nationally representative sample of the U.S. population.

Institutions: Penn State, Kantar
Principal Investigator: Diane Mitchell, MS, RD, Penn State
Year Awarded: 2021

This work was supported by the IAFNS Caffeine Committee.

Key Findings and Implications of a Recent Systematic Review of the Potential Adverse Effects of Caffeine Consumption in Healthy Adults, Pregnant Women, Adolescents, and Children

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Scientific findings lose their value if they cannot be easily translated for comprehension by diverse audiences. The Institute of Medicine (IOM) also recognizes this fact, and their guidance related to systematic reviews suggests that plain language summaries can improve the work’s usability for general audiences (IOM, 2009). Thus, the aim of this paper is to provide a plain-language summary of this important review, and the reader is referred to the original work for full references. This summary paper will help the findings be more understandable and allow individuals to make educated decisions regarding their (or their patients') intake of this commonly consumed ingredient- caffeine.

Institution: ToxStrategies, Inc.
Principal Investigator: Candace Doepker, PhD
Year Awarded: 2018

Read the Key Findings and Implications of a Recent Systematic Review.
View the Systematic Review of the Health Effects Associated with Consumption of Caffeine in Humans.

Learn more about the IAFNS Caffeine Committee.

Assessing Dietary Exposure to Caffeine From Beverages in the U.S. Population Using Brand-Specific Versus Category-Specific Caffeine Values

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Systematic Review of the Health Effects Associated with Consumption of Caffeine in Humans

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To date, one of the most heavily cited assessments of caffeine safety in the peer-reviewed literature is that issued by Health Canada (Nawrot et al., 2003). Since then, >10,000 papers have been published related to caffeine. An update to this review will serve the public health by providing an updated based on all the literature published over the past 12+ years. A systematic review of data on potential adverse effects of caffeine published from 2001 to June 2015 will be conducted.

Institution: ToxStrategies, Inc.
Principal Investigator: Candace Doepker, PhD
Years Awarded: 2014

Read the systematic review.
Access the Caffeine Systematic Review Resource Page.
View Key Findings and Implications of Caffeine Systematic Review.

Learn more about the IAFNS Caffeine Committee.