This study focuses on the impact of a very-low-carbohydrate diet (VLCD) in individuals suffering from prediabetes and obesity. The main health conditions under investigation are prediabetes and overweight/obesity. Within the study, two primary interventions were tested: standard dietary advice and a specific very-low-carbohydrate diet (VLCBD). The aim was to compare the effectiveness of these approaches in managing the mentioned conditions. The study was sponsored by Universiti Teknologi Mara. The entire research has been successfully completed.