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This study explored enablers and barriers to healthy eating among adults with CMT, using the Theoretical Domains Framework (TDF) and the COM-B model. Twenty-two semi-structured interviews were conducted with 17 women and 5 men (aged 25\u201373). Data were analysed using framework analysis. Identified barriers included symptom-related fatigue, particularly during periods of high demand (e.g. workdays), limited lifestyle-focused guidance in routine healthcare interactions and physical environmental constraints. Key enablers comprised meal planning, social support from family and online communities, recognition of the mental and physical benefits of healthy eating and access to resources that helped mitigate physical limitations. 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