This study explores how changes in infographic design, specifically branding, sourcing, and message framing, affect individuals’ intentions to change their sport supplementation behavior. With the increasing prevalence of dietary supplement use among adolescents and young adults, there is a growing concern about lower nutritional literacy and the associated health risks. Public health bodies, such as the Dutch Food and Consumer Product Safety Authority (NVWA), face the dual challenge of making scientifically accurate information both accessible and engaging, particularly in a digital media environment that favors shorter content and visual appeal...