Summary
This paper by Monteiro and colleagues — the primary architects of the NOVA food classification system — presents a comprehensive account of the main thesis underpinning NOVA's approach to ultra-processed foods and reviews the accumulated epidemiological and mechanistic evidence supporting it. Published in The Lancet in 2025, it likely addresses criticisms of the UPF concept while consolidating findings from observational and experimental research linking high UPF intake to a range of non-communicable diseases. The paper represents a significant contribution to the ongoing scientific and policy debate around industrial food processing as a distinct dietary exposure.
UK applicability
Highly applicable to the UK, where ultra-processed foods account for an estimated 50–60% of average dietary energy intake and where UPF consumption is a growing focus of public health policy, including debates around the National Food Strategy and reformulation targets.
Key measures
UPF consumption (proportion of diet); associations with non-communicable disease incidence, mortality risk, and other health endpoints; NOVA classification criteria
Outcomes reported
The paper examines and synthesises evidence linking ultra-processed food (UPF) consumption to adverse health outcomes, likely including cardiometabolic disease, cancer, mental health, and mortality. It presents and defends the NOVA classification framework and its underpinning thesis regarding industrial food processing as a determinant of health.
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