Knowledge about dietary supplements and trust in advertising them: Development and validation of the questionnaires and preliminary results of the association between the constructs

• Michał Seweryn Karbownik ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: michal.karbownik@umed.lodz.pl

  Affiliation Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland

  http://orcid.org/0000-0002-4416-2736

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• Ewelina Paul,

  Roles Investigation, Methodology, Resources, Writing – original draft

  Affiliation OSOM STUDIO, Łódź, Poland

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• Maja Nowicka ,

  Contributed equally to this work with: Maja Nowicka, Zuzanna Nowicka

  Roles Data curation, Investigation, Methodology, Visualization

  Affiliation Department of Clinical Pharmacology, Medical University of Lodz, Łódź, Poland

  http://orcid.org/0000-0001-6587-2502

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• Zuzanna Nowicka ,

  Contributed equally to this work with: Maja Nowicka, Zuzanna Nowicka

  Roles Data curation, Investigation, Methodology, Visualization

  Affiliation Department of Biostatistics and Translational Medicine, Medical University of Lodz, Łódź, Poland

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• Radosław Przemysław Kowalczyk,

  Roles Conceptualization, Methodology

  Affiliation Independent scientist, Berlin, Germany

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• Edward Kowalczyk,

  Roles Methodology, Supervision

  Affiliation Department of Pharmacology and Toxicology, Medical University of Lodz, Łódź, Poland

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• Tadeusz Pietras

  Roles Funding acquisition, Methodology, Supervision

  Affiliation Department of Clinical Pharmacology, Medical University of Lodz, Łódź, Poland

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