Legal Standards for Selenium Enriched Foods and Agricultural Products: Domestic and International Perspectives

Background/Objectives: Selenium is indispensable for human health, yet vast regions worldwide grapple with selenium-deficient soils, rendering dietary intake a critical avenue for supplementation. This narrative review aims to systematically examine and compare domestic and international regulations and standards related to selenium enrichment, providing insights to enhance regulatory frameworks and standardization within the selenium-enrichment industry. Methods: From June to September 2024, we conducted a comprehensive search of official websites belonging to international organizations (e.g., Codex Alimentarius Commission, European Union) and governmental agencies of countries such as China and the United States. Keywords, like “selenium enrichment”, “selenium standards”, and “selenium detection methods”, were employed to identify pertinent regulations, standards, and guidelines encompassing intake benchmarks, detection methodologies, product specifications, technical guidelines for production, labeling requirements, and certification management norms. Results: Our analysis reveals several challenges within the current selenium-enriched regulatory and standardization systems, including inconsistent product determination criteria and limit settings, incomplete technical guidelines for selenium-enriched agricultural production, and a lack of unified regulations for labeling selenium-enriched agricultural products. Conclusions: These findings underscore the need for harmonization of standards and enhanced regulatory oversight. To address these issues, we recommend bolstering safety risk assessments for selenium-enriched agricultural products, establishing and refining a comprehensive standard system for selenium-enriched agriculture, and intensifying quality and safety supervision. This study offers a valuable reference for policymakers and stakeholders to promote the sustainable development of the selenium-enrichment industry.

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