If individuals experience gastrointestinal discomfort, it is recommended that they avoid ultraprocessed food (although there isn’t much evidence to directly tie ultraprocessed foods to CFS) and experiment with removing potentially problematic foods (e.g., caffeine, alcohol, spicy foods, dairy, gluten).[1]
How could diet affect chronic fatigue syndrome?
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•Last Updated: May 16, 2025
Diet may affect chronic fatigue syndrome; people with gastrointestinal discomfort might try to avoid ultraprocessed foods and experiment with eliminating potentially problematic foods like caffeine, alcohol, spicy foods, dairy, and gluten; however, there is limited direct evidence to associate ultraprocessed foods with chronic fatigue syndrome.