UK Food Rules Flag Half of Processed Items as Unhealthy

A new statistical analysis from University College London and the University of Cambridge shows that current UK food regulations categorize 46 to 57.6 percent of processed and ultra-processed items as unhealthy. In contrast, models built to align with official UK dietary guidance label “It reveals that current food regulations in the nation categorize 46–57.6% of processed and ultra-processed items as unhealthy, while new nutrient profiling models developed by the researchers to align with UK dietary guidance classify more than 90% of these products as such” of these products as unhealthy. According to experts, the current labeling system may misguide consumers on selecting healthy foods, which risks overlooking high in fat, salt, and sugar (HFSS) products.

Old tools miss harmful nutrients

The study, published in BMJ Medicine, compares three new nutrient profiles based on the Eatwell Guide against existing regulatory tools. Lead author Sam Dicken notes that current regulatory tools do not capture products with an excess of harmful nutrients, even though UK dietary guidance does. The existing Food Standards Agency Nutrient Profiling Model (FSA-NPM) and traffic light systems are voluntary or hidden from the consumer.

For ultra-processed foods, the Eatwell-based models classified 91.5 percent to 99 percent as unhealthy. The FSA-NPM classified 57.6 percent, and traffic lights flagged only 48 percent. When analyzing all processed foods, the Eatwell models found 91.6 to 95 percent unhealthy, versus 50 percent under the FSA-NPM and 46 percent with traffic lights.

One difficulty with any food labeling system is that many foods are not uniformly healthy or unhealthy, which is the reason why a balanced, varied diet is important. Some items, like canned pasta in tomato sauce and macaroni and cheese mixes, fall into the unhealthy category under the new models but not under the HFSS definition. Conversely, nuts and whole fruit can be flagged as high in sugar or fat by traffic lights, despite being recommended in the Eatwell Guide.

The researchers constructed three new models based on the Eatwell Guide: NPM1 flagged excess saturated fat, free sugar, and sodium; NPM2 added total fat; and NPM3 included all components with added energy density. This approach scales whole-diet intake goals down to individual products, a method used by the Pan American Health Organization and WHO.

Experts question the new yardstick

Not all experts agree with the findings. He states that these models are new and untested, not previously published, and not validated against health outcomes, so the finding that existing systems “miss” products is better described as a disagreement with the authors’ new yardstick.

Dr. Rosiered Brownson-Smith of King’s College London cautions that the finding that almost 99 percent of UPFs were classified as unhealthy under the new model does not mean that 99 percent of these products have been demonstrated to cause harm.

The researchers add that to date, no other study has examined these inconsistencies. They do not propose a specific policy, but they call for a unified classification system independent of food industry influence. The study analyzed 262 processed and 1,636 ultra-processed foods from the UK National Diet and Nutrition Survey database for Year 12 (2019–20).

Regulatory gaps and consumer confusion

The study reveals that the UK food environment is saturated with products. These items make it difficult for consumers to follow government advice. Current labeling systems fail to identify many of these products as unhealthy. The researchers note that consumers could purchase food and drinks that are high in saturated fat, salt, and sugar without realizing. Co-author Dr. Dolly van Tulleken emphasizes the need for a single system.

This system would categorize food and drink products as unhealthy. It should use existing UK dietary guidance. She states that such a system is necessary for both consumers and regulation. The classification must be independent of the food and drink industry’s influence. This independence would help close regulatory loopholes. It would also address the inconsistency between front-of-pack labels and the FSA-NPM.

Senior author professor Chris van Tulleken from UCL’s Infection, Immunity and Transplantation comments, “This study shows that the UK food environment is saturated with products that make it hard for consumers to eat a diet in line with UK government advice.” He adds, “The reason such products are so dominant may be because existing labeling and regulation systems fail to identify them as unhealthy.

If these products make up the majority of a person’s diet, as they do in the UK, there is a significant risk of consuming more sugar, salt, and saturated fat than the Eatwell Guide recommends, even if someone fastidiously avoids red traffic lights and HFSS products.” The researchers conclude that a unified classification system is necessary to help consumers make informed choices and to align dietary guidance, labels, and marketing rules.