Abstract
Front-of-pack labelling (FOPL) has emerged as a key public health strategy to help consumers identify the nutritional quality of food products at the point of purchase. This study presents a comprehensive international regulatory and technical analysis of FOPL systems, encompassing mandatory warning schemes, voluntary positive labelling programmes, and regulatory proposals currently in development across more than 40 countries and regions worldwide. The analysis evaluates both negative labelling systems (black octagonal seals, traffic light colour bars, magnifying glass warnings) and positive endorsement schemes (Nutri-Score, Keyhole, Heart Symbol, Health Star Rating, Choices). Nutritional compliance was assessed for a plant-based crunchy snack product (Loovies Styx) against the thresholds established by each regulatory framework. The product composition per 100 g (218.32 kcal, 0.28 g total fat, 9.02 g sugars, 299 mg sodium, and 19.74 g dietary fibre) was systematically compared with critical nutrient limits for sugars, saturated fats, sodium, and total fat across all jurisdictions analysed. Results demonstrate that the product does not trigger any warning label, negative seal, or restrictive symbol under any mandatory, voluntary, or proposed regulatory framework evaluated. Furthermore, the product qualifies for positive endorsement seals and healthy logos in the majority of voluntary systems assessed, largely attributable to its exceptionally high dietary fibre content and very low levels of saturated fat and sodium. A complementary international market review did not identify any comparable product that simultaneously exhibited the complete absence of critical formulation factors commonly present in processed snack foods—such as refined flours, added oils, or ingredients subjected to processes that may significantly degrade nutritional quality—while also being formulated exclusively from whole plant-based ingredients derived from vegetables and fruits. Based on the regulatory, compositional, and comparative market evidence analysed, the positioning of Loovies Styx as the healthiest industrially produced snack within its category can be considered technically substantiated for the purposes of scientific, regulatory, and commercial communication within the scope of the criteria evaluated in this study.
Keywords: front-of-pack labelling; nutrient profiles; food regulation; nutritional compliance; plant-based snacks; dietary fibre; international food law
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