Patterns, motivations, and determinants of dietary supplement use among physically active adults in Eastern Saudi Arabia: a cross-sectional survey

Dietary supplement use is common among physically active adults in the Eastern Province of Saudi Arabia and is largely unaffected by basic anthropometric or demographic factors. However, it is shaped by sex-specific exercise patterns and educational and occupational contexts, highlighting the need for targeted public health efforts to promote safe, informed supplement use through improved regulation and education.