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Energy beverages: content and safety.

John P Higgins¹, Troy D Tuttle, Christopher L Higgins

¹Division of Cardiology, Lyndon B. Johnson General Hospital, and Memorial Hermann Sports Medicine Institute, The University of Texas Medical School at Houston, Houston, TX 77026-1967, USA. john.p.higgins@uth.tmc.edu

Mayo Clinic Proceedings

|November 2, 2010

Summary

This summary is machine-generated.

Energy beverages (EBs) are increasingly popular for exercise but their cardiovascular safety is not fully established. This review summarizes evidence on EB effects, offering guidance for exercisers.

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Area of Science:

Sports Medicine
Cardiovascular Health
Nutritional Science

Background:

Exercise participation is rising globally, driving demand for performance-enhancing supplements.
Energy beverages (EBs) with stimulants and additives are widely available and used by athletes and casual exercisers.
Concerns exist regarding the long-term cardiovascular effects of EB consumption, with safety profiles not fully elucidated.

Purpose of the Study:

To review the existing evidence on the physiological effects of energy beverages.
To assess the safety of energy beverage consumption in the context of exercise.
To provide practical recommendations for individuals inquiring about EB use during physical activity.

Main Methods:

A comprehensive literature search was conducted in MEDLINE and EMBASE databases.
The search covered publications from 1976 to May 2010.
Keywords included "energy beverage," "exercise," "caffeine," and specific EB ingredients like "guarana" and "taurine."

Main Results:

Evidence on the effects of EBs on exercise performance and cardiovascular health was synthesized.
Potential risks associated with long-term or high-volume consumption of EBs were identified.
The review highlights the lack of established safety data for many EB components.

Conclusions:

The safety of energy beverages for exercise is not definitively established.
Further research is needed to understand the long-term cardiovascular implications of EB use.
Healthcare providers should be prepared to advise patients on the potential risks of consuming EBs during physical activity.