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<p>Food additives, as defined by the US Food and Drug Administration, are widely used in packaged foods to provide safety, stability, sensory and nutritional enhancement. These substances are strictly regulated by governmental health agencies, requiring pre-market approval based on comprehensive safety evaluations. However, ongoing debates have raised concerns about the long-term health effects of certain food additives, including their potential links to some cancers, hyperactivity, and neurological conditions. Regulatory agencies worldwide have established processes for ongoing assessment of the safety of food additives, allowing for risk management practices that balances rigorous scientific processes with the realities of a rapidly changing food supply. This narrative review examines the regulatory frameworks governing food additives, focusing on two recent regulatory decisions: brominated vegetable oil (BVO) and titanium dioxide (TiO₂). BVO was banned by the US Food and Drug Administration (FDA) in 2024 following research linking it to thyroid dysfunction and other health concerns. In contrast, TiO₂ remains a topic of international disagreement. While the European Union banned its use due to what the European Food Safety Authority (EFSA) determined were uncertainties regarding genotoxicity data, other agencies, including the FDA, have determined that it does not represent a hazard to health. The review emphasizes the dynamic nature of food additive regulation operating in an environment of evolving scientific evidence. Understanding the processes behind the approval and reassessment of food additives is essential for preventing misinformation and is useful educational background for healthcare professionals that commonly encounter related questions in their practice.</p> Graphical Abstract <p></p>

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Why are some food additives banned? The intersection of science and regulation

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月6日

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  • Renan Danielski,
  • Marie E. Latulippe

摘要

Food additives, as defined by the US Food and Drug Administration, are widely used in packaged foods to provide safety, stability, sensory and nutritional enhancement. These substances are strictly regulated by governmental health agencies, requiring pre-market approval based on comprehensive safety evaluations. However, ongoing debates have raised concerns about the long-term health effects of certain food additives, including their potential links to some cancers, hyperactivity, and neurological conditions. Regulatory agencies worldwide have established processes for ongoing assessment of the safety of food additives, allowing for risk management practices that balances rigorous scientific processes with the realities of a rapidly changing food supply. This narrative review examines the regulatory frameworks governing food additives, focusing on two recent regulatory decisions: brominated vegetable oil (BVO) and titanium dioxide (TiO₂). BVO was banned by the US Food and Drug Administration (FDA) in 2024 following research linking it to thyroid dysfunction and other health concerns. In contrast, TiO₂ remains a topic of international disagreement. While the European Union banned its use due to what the European Food Safety Authority (EFSA) determined were uncertainties regarding genotoxicity data, other agencies, including the FDA, have determined that it does not represent a hazard to health. The review emphasizes the dynamic nature of food additive regulation operating in an environment of evolving scientific evidence. Understanding the processes behind the approval and reassessment of food additives is essential for preventing misinformation and is useful educational background for healthcare professionals that commonly encounter related questions in their practice.

Graphical Abstract