<![CDATA[We would like to express our appreciation for the constructive input given to the article on the effectiveness of e-pocket books in improving balanced nutrition knowledge in adolescents to reduce obesity. This response aims to clarify the context of the research, answer the methodological issues raised, and affirm the empirical contribution of the study. The research is focused on improving nutrition knowledge, not on changes in nutritional status, and the term "obesity reduction" in the title describes the long-term direction of nutrition education interventions. A single 120-minute intervention was recognized to have limitations in maintaining knowledge retention, but significant results showed that e-pocket book media was effective in improving comprehension in a short period of time. The validity and reliability of the instrument have met the minimum standards for health education research in schools. In this study, the use of WhatsApp groups is not a disruptive variable, but part of a digital learning strategy to increase participant engagement. Although the research is still limited to urban schools with a small sample size, these findings are early evidence of the feasibility of e-pocket books as a digital educational medium that is lightweight, easily accessible, and in accordance with the digital habits of teenagers in general today. ]]>
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