Habitual Caffeine Consumption Does Not Affect the Ergogenicity of Coffee Ingestion During a 5 km Cycling Time Trial

Neil D. Clarke*, Darren L. Richardson

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    11 Citations (SciVal)


    There is growing evidence that caffeine and coffee ingestion prior to exercise provide similar ergogenic benefits. However, there has been a long-standing paradigm that habitual caffeine intake may influence the ergogenicity of caffeine supplementation. The aim of the present study was to investigate the effect of habitual caffeine intake on 5-km cycling time-trial performance following the ingestion of caffeinated coffee. Following institutional ethical approval, in a double-blind, randomized, crossover, placebo-controlled design, 46 recreationally active participants (27 men and 19 women) completed a 5-km cycling time trial on a cycle ergometer 60 m in following the ingestion of 0.09 g/kg coffee providing 3 mg/kg of caffeine, or a placebo. Habitual caffeine consumption was assessed using a caffeine consumption questionnaire with low habitual caffeine consumption defined as
    Original languageEnglish
    Pages (from-to)13-20
    Number of pages8
    JournalInternational Journal of Sport Nutrition and Exercise Metabolism
    Issue number1
    Publication statusPublished (VoR) - 1 Jan 2021


    First, the authors would like to offer their thanks to all participants who completed the study. Neil D. Clarke contributed toward the original research idea and development of the experimental design. All authors contributed toward various aspects of data collection, sample collection, and analysis. All authors aided with the writing, reading, and approval of the final version of this original manuscript. Neil D. Clarke has previously received funding from the Institute for Scientific Information on Coffee (ISIC).

    FundersFunder number
    Institute for Scientific Information on Coffee


      • Ergogenic
      • Exercise performance
      • Individual responses
      • Supplements


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