Ultra-Processed Foods: What They Are and How to Avoid Them
Walk down any supermarket aisle and you'll find shelves packed with colourful cereals, snack bars, ready meals and convenience foods. While these products may save time, many fall into a category known as ultra-processed foods (UPFs) – foods that are increasingly linked to poor health outcomes when consumed regularly.
The good news? Avoiding ultra-processed foods doesn't mean following a complicated diet. In fact, focusing on simple, whole foods can help you nourish your body while naturally reducing your intake of additives, sugars and refined carbohydrates.
What Are Ultra-Processed Foods?
Ultra-processed foods are products that have been heavily altered from their original state and typically contain ingredients that you wouldn't use in your own kitchen.
These foods often include:
Artificial flavourings and colourings
Preservatives
Sweeteners
Emulsifiers
Flavour enhancers
Refined vegetable oils
Modified starches
Unlike whole foods such as vegetables, plain yoghurt, nuts, eggs, fish and fresh meats, ultra-processed foods are usually manufactured using a combination of industrial ingredients designed to improve taste, texture and shelf life.
Common examples include:
Breakfast cereals
Biscuits and cakes
Crisps and packaged snacks
Fizzy drinks
Instant noodles
Processed meats
Frozen ready meals
Many protein bars and meal replacement products
Why Should We Be Concerned?
Ultra-processed foods are often high in sugar, refined carbohydrates, unhealthy fats and salt, while being low in essential macronutrients, vitamins and minerals.
Research has associated high consumption of UPFs with:
Weight gain and obesity
Type 2 diabetes
Heart disease
Metabolic dysfunction
Increased inflammation
Poor gut health
Many ultra-processed foods are specifically designed to be hyper-palatable, making them easy to overeat. They can cause blood sugar spikes and crashes, leading to increased hunger, cravings and fluctuating energy levels throughout the day.
Not All Processed Foods Are Unhealthy
It's important to remember that processing itself isn't necessarily bad.
Many nutritious foods undergo minimal processing, including:
Plain Greek yoghurt
Cheese
Frozen vegetables
Frozen berries
Extra virgin olive oil
Tinned fish
Nuts and seeds
These foods can be incredibly nutritious and convenient while still supporting a healthy lifestyle.
The key is understanding the difference between minimally processed foods and ultra-processed products.
How to Spot Ultra-Processed Foods
A quick glance at the ingredients list can tell you a lot.
Ask yourself:
Does it contain ingredients I don't recognise?
Are there multiple sweeteners, preservatives or additives?
Is sugar listed under several different names?
Would I be able to recreate something similar in my own kitchen?
As a general rule, the more complicated the ingredients list, the more processed the food is likely to be.
How to Reduce Ultra-Processed Foods
You don't need to throw everything out overnight. Small changes can make a significant difference.
Prioritise Whole Foods
Build your meals around foods that are naturally rich in nutrients, including:
Non-starchy vegetables
Leafy greens
Eggs
Fish and seafood
Poultry and meat
Full-fat plain yoghurt
Cheese
Avocados
Olives
Nuts and seeds
These foods provide protein, healthy fats and essential nutrients while helping you stay fuller for longer.
Swap Processed Snacks for Real Food
Instead of reaching for packaged snacks, try:
A handful of almonds or walnuts
Cheese and cucumber slices
Boiled eggs
Celery with nut butter
Olives
Greek yoghurt with a few berries
Smoked salmon and cream cheese roll-ups
These options are naturally lower in carbohydrates and free from many of the additives found in packaged products.
Cook More at Home
Home cooking gives you full control over ingredients and allows you to avoid hidden sugars, refined oils and preservatives.
Simple meals such as grilled salmon with roasted vegetables, an omelette packed with greens, or a chicken salad drizzled with olive oil can be both delicious and nourishing.
Be Selective with "Healthy" Packaged Foods
Many foods marketed as healthy, low-fat or diet-friendly can still be ultra-processed.
Always read the ingredients list rather than relying solely on marketing claims. Some protein bars, breakfast cereals and low-fat products contain surprising amounts of sugar and additives.
Focus on Healthy Fats
One of the easiest ways to reduce your reliance on processed foods is to include more natural fats in your meals.
Foods such as avocado, olive oil, nuts, seeds, eggs, oily fish and full-fat dairy can help support satiety and reduce cravings for highly processed snacks.
A Whole-Food Approach to Wellness
Reducing ultra-processed foods isn't about perfection. It's about making more intentional choices and returning to foods that nourish the body naturally.
By filling your plate with quality proteins, healthy fats and plenty of vegetables, you'll not only reduce your intake of ultra-processed foods but also support stable energy levels, better appetite control and long-term wellbeing.
Sometimes the healthiest approach is also the simplest: choose foods that look like food.