Ultra-Processed Foods Aren’t Always the Real Problem: What the Research Says

Based on research by Graham Finlayson & James Stubbs (University of Leeds), published on The Conversation, Aug 20, 2025

Introduction

Ultra-processed foods (UPFs) are often blamed for today’s health issues, such as obesity, diabetes, and food addiction. Policymakers suggest strict rules like warning labels, taxes, and advertising bans.

But new research shows the story is more complex. The real issue might not just be the processing of food, but how we think about food and why we overeat.

What the Study Looked At

• Researchers studied 3,000 UK adults.

• They showed people photos of 400+ common foods (apples, noodles, cookies, cottage pie, etc.).

• Participants rated:

  • How much they liked the food.

  • How likely were they to overeat it?

• The researchers compared these answers with:

  1. The food’s nutritional content (fat, sugar, calories, fiber).

  2. It's classification as “ultra-processed” (Nova system).

  3. People’s beliefs about the food (sweet, fatty, processed, healthy, etc.).

Key Findings

1. Beliefs Matter as Much as Nutrients

• People liked calorie-dense foods (high in fat or carbs).

• But beliefs played a huge role, too.

• Foods people thought were sweet, fatty, or highly processed were seen as more “bingeable.”

• Foods believed to be bitter or high in fiber reduced the urge to overeat.

👉 In fact, combining nutrients and beliefs could predict 78% of overeating behavior.

2. UPF Label Adds Little Information

• The “ultra-processed” (UPF) label explained:

  • Less than 2% of food liking.

  • Just 4% of overeating.

• This means the UPF classification isn’t very useful once nutrients and perceptions are considered.

3. Not All UPFs Are Bad

• Some UPFs are calorie-heavy and easy to overeat (like soda, chips, and cookies).

• But others can be beneficial, for example:

  • Fortified cereals.

  • Protein bars.

  • Vegan meat alternatives.

• For older adults, people with dietary restrictions, or those needing convenience, certain UPFs may help.

Why Blanket Warnings May Backfire

• Warning people against all UPFs could:

  • Confuse consumers.

  • Make people avoid helpful foods like fortified cereals.

  • Oversimplify the real reasons people overeat.

Better Solutions

Instead of demonizing UPFs, researchers suggest:

• Boost food literacy

  • Teach people how nutrients, cravings, and perceptions affect eating.

  • Help them recognize their triggers for overeating.

• Reformulate foods wisely

  • Create products that are filling and enjoyable.

  • Move away from bland “diet foods” and super-palatable snacks.

• Address eating motivations

  • People eat for comfort, pleasure, and social reasons—not just hunger.

  • Supporting alternative habits (like mindful eating or healthier snacks) can reduce dependence on low-quality foods.

Conclusion

Ultra-processed foods aren’t the single villain in our diets. The real drivers of overeating are:

• The nutritional qualities of food.

• How we perceive them.

• Our psychological reasons for eating.

👉 Instead of labeling all UPFs as bad, we should focus on building food awareness, better product design, and healthier eating habits.

References

• Finlayson, G., & Stubbs, J. (2025). Ultra-Processed Foods Aren’t the Real Villain In Our Diets? Here’s What Our Research Found. The Conversation.

• Monteiro, C. A. et al. (2019). The NOVA food classification system. World Nutrition.