Among the most harrowing visuals of Britain’s ongoing ‘cost of living crisis’ are the security tags that began to appear on cheese, butter, chicken, sweets and infant formula milk in 2022. A week’s worth of formula milk—the sole or main food of the vast majority of infants for the first 6 months of life—now costs between £9.39 and £15.95.1 Low-income households are entitled to a ‘Healthy Start’ welfare payment, intended to avert malnutrition among the poorest children, but the weekly allowance (...) is just £8.50.2 There are reports of parents watering down formula, skipping or limiting feeds and initiating early weaning, all of which jeopardise the health of infants, with potentially lifelong consequences.3 No determinant of health is more critical than food. A 2019 study found that diet is the most significant risk factor for non-communicable disease, and that one in five deaths globally could be prevented by improving nutrition.4 Globally, 1 in 10 people cannot meet their daily energy needs,1 and the proportion of undernourished people is rising.5 In more than 50 countries, most of them in Africa, over a quarter of children are stunted or wasted due to undernourishment, with long-term effects on their cognitive and physical development. These are not problems of absolute scarcity; enough food is produced globally to feed ten billion people.6 In the UK, there is, at any given moment, sufficient food on supermarket shelves to meet the calorie and nutrient needs of the population. Yet the equivalent of nearly 200 million meals a year are discarded,7 while almost a quarter …. (shrink)