LAUSR

### Summary box Malnutrition in all its forms—both underweight and micronutrient deficiencies, as well as overweight, obesity and associated non-communicable disease—is a global health issue, with the majority of cases arising in low-income and middle-income countries (LMICs).1 Much of this malnutrition, particularly shifts towards an increased prevalence of overweight and obesity, is driven by dietary changes described as the ‘nutrition transition’, whereby populations move from traditional diets high in fibre and micronutrients, to more highly processed diets high in sugar, fat, salt, low in fibre and less nutrient dense–with these dietary changes accompanied by changes in eating behaviours and physical activity patterns.2 Ultraprocessed food products have been defined by Monteiro et al as ‘not entirely or mostly made from foods, but from industrial ingredients and additives, and are highly profitable’.3 Distinctions are made between processed …