Overweight and obesity prevalence among children and adolescents in low-income and middle-income countries (LMICs) rose steeply from 2·5% to 17·3% between 1975 and 2016.1, 2 By 2020, 39 million children younger than 5 years and 341·6 million children and adolescents aged 5–19 years were affected. This situation is concerning in terms of the current and future burden of non-communicable diseases in LMICs, because children and adolescents who are overweight or living with obesity are more likely to have high blood pressure, high cholesterol concentrations, type 2 diabetes, asthma, joint problems, gallstones, anxiety, and depression.3 Addressing the issue of children and adolescents being overweight or living with obesity has the potential to be transformative for their health in adulthood and will slow the steeply rising trajectories of associated non-communicable diseases. Implementation research can be instrumental to supplement globally recommended interventions with contextually relevant information for different countries...