Introduction: Cancer is the second leading cause of mortality globally. Processed and ultra-processed foods are reported to be high in energy, sugar, and unhealthy fats, while low in fibre, vitamins and minerals, that can increase the risk of cancer. Methods: A cross-sectional study involving adults aged 18-59 years was conducted in Peninsular Malaysia (n=122). Sociodemographic data were obtained through a questionnaire and lifestyle habits score for cancer prevention was assessed using MyGenomSihat©. The food frequency questionnaire used had four groups (i.e., unprocessed or minimally processed foods, processed culinary ingredients, processed foods, and ultra-processed foods) containing 53 food items to evaluate the frequency of food consumption. All data obtained were self-reported by the participants. Results: Mean age was 27.6±8.1 years with a majority (76.2%) having household income of less than