How to eat less ultra-processed food without going on a diet

Quick answer: Ultra-processed foods (UPFs) are industrial products made mostly from refined ingredients and additives, like packaged chips, biscuits, instant noodles, sugary drinks and many ready-to-eat snacks. To eat less of them, swap one daily UPF for a whole-food alternative, read ingredient lists (long lists with names you don't recognise are a clue), cook simple batch meals, and keep easy healthy snacks in sight.

Ultra-processed food has quietly taken over our plates. Studies show young adults eat far more of it than older generations, and high UPF intake is linked to weight gain, type 2 diabetes, heart disease, poorer gut health and even lower mood. The good news: you don't need a strict diet. You need better swaps.

What counts as ultra-processed?

Food scientists use a system called NOVA that groups food by how processed it is:

• Whole or minimally processed: vegetables, fruit, lentils, rice, milk, eggs, plain yogurt, nuts.
• Processed: cheese, canned beans, pickles, bread made with a few simple ingredients.
• Ultra-processed: packaged chips and savoury snacks, biscuits, instant noodles, cold drinks, flavoured yoghurts, most breakfast cereals, packaged sweets and many "protein" or "diet" snacks.

A quick test: if the ingredient list is long and includes things you wouldn't have in your own kitchen (emulsifiers, flavour enhancers, colours, invert syrup), it's probably ultra-processed.

Why they're so hard to stop eating

UPFs are engineered to be very tasty, soft and quick to eat, so you eat more before feeling full. That's why one packet of chips rarely feels like enough.

10 easy swaps

• Packaged chips → unsalted nuts, homemade popcorn or roasted chickpeas
• Biscuits with tea → a handful of nuts or a piece of fruit
• Instant noodles → a quick vegetable omelette or leftover-rice stir-fry
• Fizzy drinks → sparkling water with lemon, or unsweetened iced tea
• Flavoured yoghurt → plain yogurt with fruit and a little honey
• Sugary breakfast cereal → oats or muesli without added sugar
• Packaged juice → a whole fruit
• Savoury snack mix → a homemade mix of nuts, seeds and roasted chickpeas
• Frozen snacks → homemade patties or veggie burgers you can freeze in batches
• Ready-made sauces → simple homemade sauces and dressings

Make it easy on busy days

1. Batch cook twice a week. A pot of lentils, cooked beans and chopped vegetables make fast meals without packets.
2. Stock a "good snack" shelf at eye level: fruit, nuts, popcorn, roasted chickpeas.
3. Don't shop hungry. Hunger fills the trolley with packets.
4. Use the 80/20 idea. If most of what you eat is real food, the occasional packet isn't a disaster.

Don't fall for "healthy" labels

"Multigrain", "baked", "no added sugar", "high protein" or "keto" on the front of a pack doesn't mean the food isn't ultra-processed. Always turn the pack over and read the ingredients.

Start with one

Pick the UPF you eat most often and replace it for two weeks. Then pick the next one. Small, repeated swaps change your diet more than any strict plan you abandon in a week.