Nutrition education 4.0 to prevent overweight and obesity through social media

INTRODUCTION: This study was aimed explore the effectiveness of 2 months online-based nutrition education related to reduction of obesity and the risk factor of overweight in adulthood aged 17–25 years compared to the control group. The nutrition education was followed by 800 participants who consist of intervention and control group. The intervention group was given pre-test and post-test each module, on the other hand, control groups only had to join webinar nutrition education. MATERIALS AND METHOD: Eight hundred early adulthood participants coming from various regions in Indonesia were invited to join WhatsApp group to get intervention by modules and webinar in different topic about nutrition. This is a randomized control trial study by giving nutrition education modules to adults. This study targets adult aged 17–25 years using a quasi-experiment design with a pre-and post-test control group design. The study will be conducted online in eight urban areas (center) in Indonesia, namely: Surabaya, Yogyakarta, Jember, Medan, Bali, Samarinda, Kupang, and Palu City. © 2021 Trias Mahmudiono,Su Peng Loh, Dominikus Raditya Atmaka, Qonita Rachmah, Mahmudah Mahmudah, Shintia Yunita Arini, Mutiara Arsya Vidianinggar, Ratih Wirapuspita Wisnuwardani, Kadek Tresna Adhi, Nila Reswari Haryana, Setyo Utami Wisnusanti, Windi Indah, Nikmah Utami Dewi.