Summary
The National Diet and Nutrition Survey (NDNS) Rolling Programme is a continuous, government-commissioned surveillance survey providing nationally representative data on the diet, nutrient intake, and nutritional status of the UK population. Conducted by Public Health England in partnership with the Food Standards Agency, the programme tracks dietary trends over time and identifies population subgroups at risk of nutrient deficiency or excess. The 2020 reporting cycle likely covers data from Years 9 and 10 (2016–2018), offering updated estimates of intakes of key nutrients including free sugars, saturated fat, fibre, and micronutrients such as iron, vitamin D, and folate.
UK applicability
This survey is entirely UK-specific and represents one of the most authoritative sources of population-level dietary data available to UK policymakers, public health practitioners, and researchers. Its findings directly inform UK dietary guidelines, food labelling policy, and public health nutrition interventions.
Key measures
Dietary intake (g/day); nutrient intakes relative to dietary reference values (DRVs); blood and urine biomarkers of nutritional status; food group consumption frequencies; energy intake (kcal/day)
Outcomes reported
The survey monitors dietary intake, nutrient consumption, and nutritional status across key population groups in the UK, including children, adults, and older adults. It reports on macro- and micronutrient intakes relative to dietary reference values, food consumption patterns, and biochemical indicators of nutritional status.
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