Tyrosine supplementation is ineffective in facilitating soccer players’ physical and cognitive performance during high-intensity intermittent exercise in hot conditions

• Kate J. Donnan ,

  Contributed equally to this work with: Kate J. Donnan, Emily L. Williams, Nicholas Stanger

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft

  * E-mail: K.J.Donnan@hull.ac.uk

  Affiliation Department of Sport, Health and Exercise Science, University of Hull, Hull, United Kingdom

  https://orcid.org/0000-0003-4586-5465

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• Emily L. Williams ,

  Contributed equally to this work with: Kate J. Donnan, Emily L. Williams, Nicholas Stanger

  Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

  Affiliation Carnegie School of Sport, Leeds Beckett University, Leeds, United Kingdom

  ⨯
• Nicholas Stanger

  Contributed equally to this work with: Kate J. Donnan, Emily L. Williams, Nicholas Stanger

  Roles Conceptualization, Investigation, Methodology, Supervision, Writing – review & editing

  Affiliation Carnegie School of Sport, Leeds Beckett University, Leeds, United Kingdom

  ⨯