Nutritional value of foods has not improved despite targets for reductions in salt, sugar and calories

UK policies that set targets for reductions in salt, sugar and calories have not led to overall improvements in the nutritional value of food products. Research published in the open access journal PLOS ONE evaluates foods produced by the top ten food and beverage companies over a four year period and recommends further policy action be taken to support consumers to eat more healthily.

Poor diet is associated with chronic diseases and complications for individuals and leads to a substantial burden on health systems. Public Health England (PHE) has introduced voluntary reformulation targets focused on salt, sugar and calories to encourage change by manufacturers. Dr Lauren Bandy and colleagues at the University of Oxford's Nuffield Department of Population Health wanted to assess how the nutritional quality of products changed over time. They identified the top ten UK food and drink manufacturers and their brands and used an established nutrient profile model to look at the nutrient composition data for each item for four consecutive years - 2015, 16, 17 and 18.

They found no change in the nutrient profiling score of products over time, though one company, Kelloggs, showed a small overall improvement, driven by reducing sugar in two products: Coco-pops and Special K. There was a small increase in the number of products classified as healthy: 46 percent in 2015 to 47 percent in 2018, and an increase in sales that were considered healthy: 44 percent in 2015 to 51 percent in 2018. This is likely because of reductions in the sugar content of some soft drinks, following an industry levy introduced in 2018. Of the top five brands sold by each of the ten companies only six improved their nutritional score by 20 percent or more.

Our study shows it is possible to monitor the overall healthiness of company product portfolios and chart changes over time. We saw little evidence that the recommended current targets have made a significant difference and we believe that without more policy action and a transparent monitoring and evaluation system, it is unlikely there will be meaningful change."

Dr Lauren Bandy, University of Oxford's Nuffield Department of Population Health

She adds: "We know that if we are to see the reduction in diet-related disease that is needed in the population, the food and beverage industry has to step up and improve the nutritional quality of its products. Our study shows that so far, not much has been done to improve the healthiness of household brands owned by top companies, with the exception of soft drinks, which are subject to a tax that has encouraged lower sugar levels. The current focus on voluntary, single-nutrient reformulation targets might want to be reconsidered by policy makers."

Journal reference:

Bandy, K.L., et al. (2021) Assessing the healthiness of UK food companies' product portfolios using food sales and nutrient composition data. PLOS ONE.


The opinions expressed here are the views of the writer and do not necessarily reflect the views and opinions of News Medical.
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