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The Need for Uniform Labeling Regulations for Monosodium Glutamate to Address Health Risks and Consumer Protection

Akhtar Purvez,Michael C. Valentine

Published 2025 in Cureus

ABSTRACT

Monosodium glutamate (MSG) is a flavor enhancer commonly added to processed foods. Despite its GRAS (Generally Recognized as Safe) status by the FDA, accumulating clinical evidence, in the form of multiple case reports, links MSG to serious health risks in susceptible individuals, particularly those prone to atrial fibrillation (AF). Biological mechanisms, including glutamate receptor activity and oxidative stress, are believed to be the cause of this adverse effect. Moreover, inconsistent labeling practices disguise MSG under multiple names, making it difficult for sensitive consumers to avoid. The European Union, Australia, and Japan enforce stricter MSG labeling requirements than the United States to safeguard the susceptible population. This paper makes the case for uniform labeling regulations to promote transparency and protect at-risk populations from inadvertent exposure to MSG, advocating for standardized ingredient disclosure policies modeled on international practices.

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