Supplementary Dataset – Caffeine intake and adverse effects among Brazilian esports players (n = 181)

This deposit contains the anonymised dataset and supporting materials for the study “Caffeine consumption patterns, motivations, and adverse effects among Brazilian esports players: a cross-sectional study.”Between 17 November 2023 and 30 April 2024, 181 Brazilian esports athletes (≥ 18 y) completed a 64-item online questionnaire. The main CSV file holds fully de-identified, UTF-8-encoded records.