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March 27, 2026Public Health NutritionOpen Access

An Investigation of the Change in Alignment Between the Health Star Rating Scheme and the Nova Food Processing Classification System and the Australian Dietary Guidelines

Sandra Brastein Julie Woods Sarah Dickie Mark Lawrence

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Key Points

To examine how well the Health Star Rating scheme aligns with the Nova Food Processing Classification System and the Australian Dietary Guidelines.
Analysis of the Health Star Rating algorithm
Comparison of ratings for ultra-processed foods
Evaluation of discretionary food classifications
A significant portion of ultra-processed foods received healthy HSRs (≥2.5)
Nutrient-based assessments still present challenges
Misalignments were found between food classifications and dietary guidelines

Implication

This investigation reveals discrepancies in health ratings of foods, indicating confusion in dietary guidance systems.

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Cite This Study

Brastein et al. (2026) studied this question.

synapsesocial.com/papers/69c8c2a4de0f0f753b39cf8c https://doi.org/10.1017/s1368980026102419

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