Nature's editorial board argues the UN's upcoming trans fat elimination proposal must specify "industrially produced" fats to avoid unintended consequences for nutrition in poor countries. The board supports a coalition led by the International Livestock Research Institute and African Union requesting precise language, noting natural trans fats occur in milk and dairy products.

The editorial extends criticism to the broader ultra-processed foods classification system. While acknowledging the 2009 NOVA scale by University of Sao Paulo's Carlos Monteiro pushed governments toward strong public health policies, Nature says the ultra-processed category problematically groups baby formula with hot dogs. The board calls for improved definitions that balance reining in industrial food production excesses while ensuring adequate calorie access globally.

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