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March 1, 2025 – A new study has revealed that protein-fortified foods, often perceived as healthy by consumers, are frequently classified as “less healthy” due to high levels of fat, sodium, or sweeteners. This research challenges the notion that protein claims automatically equate to nutritional value, suggesting that these products may pose health risks rather than benefits.
The study, published in the journal Nutrients, analyzed 4,325 processed foods using the Spanish Food Database BADALI, with 13% featuring protein claims (PCs). Researchers found that 60.4% of these products were fortified with proteins, with plant proteins being more prevalent than animal proteins.
While foods with PCs did contain higher protein levels, especially in fortified products, they also presented significant nutritional drawbacks. According to the Pan American Health Organization Nutrient Profile Model, 90.8% of these items were classified as “less healthy.” Over half were high in fat or sodium, approximately one-quarter contained high levels of free sugars or saturated fats, and one-fifth included sweeteners.
Compared to foods without PCs, those with protein claims had 13.1% more “less healthy” products and a higher proportion of high-fat and high-sodium foods, although they did have fewer items high in free sugars and saturated fats.
These findings challenge the common perception that protein-fortified foods are inherently healthier. The study cautions consumers against blindly trusting protein claims and emphasizes the importance of carefully examining nutrition labels.
The researchers suggest that consumers should not equate protein fortification with overall nutritional value and should be aware of the potential hidden health risks associated with these products.
Disclaimer: This news article is based on information available at the time of publication and reflects the findings of a specific study. Nutritional research is ongoing, and further studies may provide additional insights or modify current understandings. This article is for informational purposes only and does not constitute dietary or medical advice. Consumers should read nutrition labels carefully and consult with a registered dietitian or healthcare professional for personalized dietary guidance.
