For subscribers

What counts as ultra-processed food? It’s too complicated

There is no real evidence that a pizza made at home is better than a frozen store-bought one with the same ingredients.

Sign up now: Get ST's newsletters delivered to your inbox

Nova, the most widely used system for categorising food as ultra-processed, includes everything from doughnuts to frozen dinners, says the writer.

Nova, the most widely used system for categorising food as ultra-processed, includes everything from doughnuts to frozen dinners, says the writer.

PHOTO: UNSPLASH

F.D. Flam

Follow topic:

Ultra-processed foods, or UPFs for short, are suddenly the hot health concept – the new antihero in global diets. The topic is exploding both in scientific literature and on social media. There’s even an AI system to help consumers select less-processed foods while shopping.

But once you get past the important and obvious idea that junk food is harmful, the concept of ultra-processed becomes hazy and confusing.

See more on