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New study shows weight loss linked to avoiding ultraprocessed foods

A trial reveals participants lost twice as much weight on a minimally processed diet.

August 5, 2025 at 11:20 PM
blur In trial, people lost twice as much weight by ditching ultraprocessed food

A study highlights the weight loss benefits of minimally processed diets over ultraprocessed alternatives.

People lose more weight by avoiding ultraprocessed foods

A recent trial from University College London found that participants lost twice as much weight on a diet of minimally processed foods compared to those consuming ultraprocessed versions of similar nutritional content. In the study, fewer participants adhered to dietary guidelines, as ultraprocessed foods commonly made up a large portion of their regular diets. The trial involved fifty participants, mostly women with a mean age of 43 and categorized as overweight or obese. While both diets met UK dietary guidelines, the minimally processed food included fresher, home-cooked meals, contrasting sharply with the pre-packaged ultraprocessed options provided to the other group.

Key Takeaways

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Minimally processed diets led to double the weight loss compared to ultraprocessed foods.
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The trial showed adherence to dietary guidelines was low with ultraprocessed options.
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Participants primarily consumed packaged foods before the trial, indicating a shift in diet is necessary.
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The diets were nutritionally matched, ruling out basic nutrition as the sole factor in weight loss.
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Eating fresher, homemade meals supports healthy living strategies.
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This study contributes to growing evidence against ultraprocessed foods for weight management.

"Minimally processed diets led to double the weight loss compared to ultraprocessed foods."

This statement highlights the core finding of the trial, emphasizing the effectiveness of less processed options.

"Eating fresher, homemade meals supports healthy living strategies."

This underscores the importance of whole food consumption for health and wellness.

This trial highlights a pivotal trend in dietary health. As ultraprocessed foods become pervasive in modern diets, understanding their detrimental effects on health is increasingly important. Although both diets adhered to nutritional guidelines, the significant difference in weight loss suggests that the quality of food processing impacts health outcomes as much as nutritional composition. The findings support a broader movement towards whole foods, indicating that cutting ultraprocessed options may benefit public health significantly.

Highlights

  • Ditching ultraprocessed foods can lead to significant weight loss.
  • Minimally processed meals make a big difference in health outcomes.
  • The trial underscores the impact of food quality on weight loss.
  • Homemade meals triumph over packaged foods in weight loss.

Concerns about the health impacts of ultraprocessed foods

The reliance on ultraprocessed foods in popular diets raises concerns about obesity and related health risks, affecting public health policy.

Such research may spur a shift in dietary recommendations and public health strategies.

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