Irish Journal of Medical Science (1971 -)

, Volume 188, Issue 1, pp 349–350 | Cite as

Caffeine, CYP1A2 genotype, and sports performance: is timing important?

  • Craig PickeringEmail author
Letter to the Editor


Compliance with ethical standards

Conflict of interest

Craig Pickering is an employee of DNAFit Ltd., a genetic testing company. He received no financial incentives for the preparation of this manuscript, and the views contained within are his, and not representative of DNAFit Ltd.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.


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Copyright information

© Royal Academy of Medicine in Ireland 2018

Authors and Affiliations

  1. 1.Institute of Coaching and PerformanceUniversity of Central LancashirePrestonUK
  2. 2.Exercise and Nutritional Genomics Research CentreDNAFit LtdLondonUK

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