What is “healthy” food? A cross-sectional evaluation of foods and beverages consumed by United States adults that satisfy the United States Food and Drug Administration’s updated “healthy” claim criteria

Findings suggest few foods met "healthy" criteria. Moderate correlations between "healthy" criteria, Nova, and validated nutrient profiling models provide evidence of convergent validity, yet underscore the challenge of classifying foods by healthfulness, and highlight uncertainty about whether discrepancies reflect real differences in model performance and food healthfulness.