Complexity of MSG as a Trigger: While MSG has been implicated as a migraine trigger, the evidence is mixed and somewhat inconclusive. Studies conducted with high doses of MSG have shown varied results in triggering headaches, making it challenging to definitively establish its role as a trigger.
Natural Occurrence in Foods: Contrary to common belief, MSG occurs naturally in certain foods such as tomatoes, anchovies, sardines, clams, seaweed, and kelp. This natural presence of MSG in various foods complicates efforts to avoid it completely.
Usage in Cooking and as an Additive: MSG is used in various cooking styles worldwide as a flavor enhancer. Additionally, it is a common additive in processed foods, contributing to its presence in many packaged and convenience foods.
Elimination Diet for Identification: To determine if MSG is a trigger for migraine, individuals may undertake an elimination diet. This involves strictly avoiding MSG-containing foods for a period of two weeks and monitoring migraine symptoms. If symptoms improve during this period, it suggests a potential sensitivity to MSG.
Individual Variation in Sensitivity: Sensitivity to MSG varies among individuals, with some experiencing migraine symptoms in response to small amounts while others may not be affected. Therefore, identifying MSG as a trigger requires careful observation and may differ from person to person.
Overall, while MSG remains a topic of interest in migraine research and management, understanding its role as a trigger requires consideration of individual sensitivity, natural occurrence in foods, and the complexities of conducting conclusive studies.
Learn more about MSG by watching our HeadWise podcast episode: