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Japanese newspaper advertisements for dietary supplements before and after COVID-19: a content analysis

Tsuyoshi Okuhara1, Rie Yokota2, Ritsuko Shirabe2

  • 1Department of Health Communication, The University of Tokyo, Bunkyo-ku, Tokyo, Japan okuhara-ctr@umin.ac.jp.

BMJ Open
|November 24, 2021
PubMed
Abstract

Keywords:
COVID-19advertisingconsumer educationdietary supplementsdietarybehaviourhealth communicationhealth food productspandemic

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